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Covers Newton's laws of motion, rotational motion, gravity, equilibrium and elasticity, fluid mechanics, temperature, heat, and the laws of thermodynamics.
Freezing point of water at sea level
The term torque was introduced into English scientific literature by Lord Kevin, in 1884.
Two vectors A and B are added by drawing the arrows which represents the vector in such a way that the initial point of B is on the terminal point of A. The resultant C = A + B, is the vector from the initial point of A to the terminal point of B.
86.3 liter = ____________ gal ?
Determine the resultant of the force system shown in the figure and its x and y intercepts.
250 kelvin = ___________ centigrade ?
21 yard = __________ foot ?
180 kelvin = ____________ fahrenheit ?
The ______ in simple harmonic motion is proportional and opposite to the displacement.
The motion of a body which repeats itself at regular intervals of time or period.
The word measurement is derived from the Greek word ______________.
It is decimalized system of measurement based on the metre and the gram.
A body at rest or moving with uniform velocity will have acceleration
120.5 centigrade = _______________ kelvin ?
Is defined as the projection of uniform circular motion on a straight line.
An Airplane accelerates down a runway at 3.20m/s2 for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff.
It is the world’s most widely used system of units, both in everyday commerce and in science.
In the United States, the National Physical Laboratory (NPL), a division of United States Department of Commerce, regulates commercial measurements.
100 cm = ______ in?
You are helping your aunt move a piano on wheels from one room to another. When you push the piano horizontally, it moves at constant speed. What can you say about the piano?
It is a bob suspended from a very light string or rod.
Does a bridge anchored resting on two pillars have any torque?
Quantities that are fully described by both magnitude and a direction.
The maximum value of the sine function.
In order to add ______ quantities, one has merely to make the algebraic addition.
The number of seconds it will require to make one complete vibration or one up and down is called?
________________ is defined as the forces which lies in the line of activity but do not intersect or forms a parallel at a common point.
Two students are balancing on a 10m seesaw. The seesaw is designed so that each so that each side of the seesaw is 5m long. The students on the left weight 60kg and standing 3m away from the center. The student on the right weighs 45kg. The seesaw is parallel to the ground. Assume the board that makes the seesaw is massless. What distance from the center should the student on the right be if they want the seesaw to stay parallel to the ground?
The resultant of non-concurrent force system is defined according to _________, __________, and ___________.
The SI for torque is _______________.
In practice, every three calendar years will have 365 days, and every fourth year is a “leap year”, which has 366 days, to make up for the extra quarter day over four years.
Laws to regulate measurement were originally developed to prevent fraud.
The moment of the resultant of a system of forces with respect to any axis or point is equal to the vector sum of the moments of the individual forces of the system with respect to the same access or point.
Quantities that are fully described by a magnitude.
The cable and boom shown in the figure support a load of 600 lb. Determine the tensile force T in the cable and the compressive for C in the boom. NOTE : see fig-5 from the LIST OF FIGURE in Week-1
A 5.0 m-long uniform beam is held in position by a cord as shown in the diagram. If the tension in the cord is 8.0 N, what is the weight of the beam?
460 Kelvin = ____________ Fahrenheit
The temperature unit commonly used in USA is Centigrade.
It is the science of describing the motion of objects using words, diagrams, numbers, graphs, and equations
At sea level, the freezing temperature of water is 32 degrees Fahrenheit and the boiling point of water is 212 degrees Fahrenheit.
The magnitude of torque depends on two quantities only.
Types of Si units which is the simple measurement for time, length, mass, temperature, amount of substance, electric current, and light intensity.
There are only two types of SI units, based and derived units.
Suzie applies a force of 40.0 N at an angle of 60 degrees up from the horizontal to a wooden rod using a spring scale. If she generates a torque of 73.0 N*m, how long was the rod?
In triangle DEF, side e = 8 cm, f = 10 cm, and the angle at D is 60°. Find side d.
68 fahrenheit = _______________ kelvin ?
An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff.
It is tendency of a force to cause an object to rotate abut an axis.
100 m = ______ yrd ?
A cylinder weighing 400 lb. is held against a smooth incline by means of the weightless rod AB in the figure. Determine the forces P and N exerted on the cylinder by the rod and the incline. NOTE : see fig-6 from the LIST OF FIGURE in Week-1
The moment caused by the resultant force about some arbitrary point is equal to the sum of the moment due to all of the component forces of the system.
A uniform rod of length 50cm and mass 0.2kg is placed on a fulcrum at a distance of 40cm from the left end of the rod. At what distance from the left end of the rod should a 0.6kg mass be hung to balance the rod?
550 m =________ in ?
A millimeter is about the thickness of a dime.
700 yard = __________ cm ?
The mathematical quantities that are used to describe the motion of objects can be divided into three categories.
If the polygon is closed, the resultant is a vector of zero magnitude and has no direction. This is called the ________ vector.
The figure represents the concurrent force system acting at a joint of a bridge truss. Determine the value of P and F to maintain equilibrium of the forces. NOTE : see fig-9 from the LIST OF FIGURE in Week-1
560 Kelvin = ______________ Celsius
When elastic bodies vibrate they produce the simplest type of periodic motion.
It is autonomous of the body’s mass.
175 m = _______________ yrd
A shot at an initial velocity at an angle above the horizon.
The three forces in the figure create a vertical resultant acting through point A. If T is known to be 361 lb., compute the values of F and P. NOTE: see fig-4 from the LIST OF FIGURE in week-1
What is the acronym of BTU in pressure?
25.8 lbs = ___________ grams ?
The cylinders in the figure have the indicated weights and dimensions. Assuming smooth contact surfaces, determine the reactions at A, B, C, and D on the cylinders. NOTE : see fig-13 from the LIST OF FIGURES in Week-1
If the body is in equilibrium under the action of a number of the forces, then the algebraic sum of the moments of the forces about any point is equal to one.
The main advantages of the metric system is that it has many base unit for each physical quantity.
What is the standard unit of force?
150 gram = _______________ kilogram ?
122 meter = ______________ inches ?
Defined as the cross product of the lever arm distance vector and the force vector.
An object that is falling under the sole influence of gravity.
When displacement is plotted against time, the result will be a _________?
A bolt connecting the main and rear frame of a mountain bike requires of 15 N.m to tighten. If you are capable of applying 40N of force to a wrench in any given direction, what is the minimum length of the wrench that will result in the required torque?
Torque is defined as the cross product of the lever arm distance vector and the force vector.
The angle between the two Force is scalar is one of the three quantities of torque magnitude.
Equilibrium occurs when…
Forces P and F acting along the bars shown in the figure maintain equilibrium of pin A. Determine the values of P.
Standard unit of length in metric system.
The pressure units commonly used in the USA include the inch of mercury and the atmosphere (29.92 inches of mercury).
Once we know how long the projectile stayed in the air, finding the _____________ from the horizontal motion is simple.
Three forces act on a point: 3 N at 0°, 4 N at 90°, and 5 N at 217°. What is the net force?
"Sum of all forces acting on a body is zero". This condition represents equilibrium's
Since all of these forces are not entirely parallel, the position of the resultant can be established using the ________ or ________ methods.
280 feet = _____________ meter ?
The sum of the clockwise moments equals sum of the anticlockwise moments when the body is in equilibrium.
170 centigrade = ______________ fahrenheit ?
It is made of base unit for example, density.
A race car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds. Determine the acceleration of the car.
What is the acronym of NIST?
If net force acting on body is zero then body is said to be.
Such an object will rise until its velocity is ______________.
50 kg = ____ g ?
185 fahrenheit = __________ centigrade ?
When the cycle in harmonic curve is repeated successively the result will be a series of__________?
120 centigrade = _____________ Fahrenheit ?
Add the following vectors and determine the resultant. 3.0 m/s, 45 deg and 5.0 m/s, 135 deg
520 mm = _______________ inch
A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car.
120 lbs = _____ kg?
An object thrown upward with velocity will rise to a height.
The 300-lb force and the 400-lb force shown in the figure are to be held in equilibrium by a third force F acting at an unknown angle θ with the horizontal. Determine the values of F.
200 Fahrenheit =_______ centigrade ?
It is The Internationally recognized standard metric system.
The symbol of torque is the Greek word for TAO.
Cords are loop around a small spacer separating two cylinders each weighing 400 lb. and pass, as shown in the fig-12 from the LIST OF FIGURE in Week-1 over a frictionless pulley to weights of 200 lb. and 400 lb. Determine the angle θ.
In reality we are dealing with two sets of independent equations for the x and y directions and can envision the problem as a superposition of two completely independent motions that together are equivalent to the projectile motion.
If a body is in rest or in uniform velocity, it is said to be in
What is the magnitude of the sum of the two forces shown in the diagram below?
Equilibrium is the tendency of a force to cause an object to rotate about an axis.
What force is necessary to generate a 20.0 N*m torque at an angle of 50 degrees from along a 3.00 m rod?
100 inches = ____________ meter
The effect of a certain non-concurrent force system is defined by the following data: summation of fx=90kN, summation of fy=-60kN, and summation of Mo=360kN counter clockwise. Determine the point at which the resultant intersects the x-axis.
A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s2. Determine the time for the feather to fall to the surface of the moon.
The vectors are translated, to a common origin.
Determine the values of α and θ so that the forces shown in the figure will be in equilibrium.
Free-falling objects always encounter air resistance.
The distance of the mass below or above from the center position, or rest position.
The motion is repeated in the same length of time.
What is the boiling point of water at sea level?
Varignon’s Theorem states that the sum of torques due to several forces applied to a single point is equal to the torque due to the sum (resultant) of the forces.
500 g = __________ lbs?
One ____________ would be to resolve a pair of forces using the parallelogram or triangle method into a resultant.
If there is a great number of forces, the ___________ to this system would potentially be simpler if the forces that are applied to the system are easy to break into components.
The length of the lever arm connecting the axis to the point of the force application is one of the three quantities of torque magnitude.
To satisfy first condition of equilibrium, if rightward forces are positive, leftward forces must be:
In a certain non-concurrent force system it is found that summation of fx=-80lb, summation of fy=160lb and summation Mo=480lb-ft in a counterclockwise sense. Determine the point at which the resultant intersects the y-axis.
The force applied is one of the three quantities of torque acceleration.
The resultant and equilibrant of several sets of such known forces are determined by both graphical and analytical methods.
The motion of objects can not be described by words
350 Fahrenheit = _____________ Celsius
All free-falling objects (on Earth) accelerate at a rate of _____________.
Cords are loop around a small spacer separating two cylinders each weighing 400 lb. and pass, as shown in the fig-12 from the LIST OF FIGURE in Week-1 over a frictionless pulley to weights of 200 lb. and 400 lb. Determine the angle θ.
150 Fahrenheit =_______ kelvin?
A 300-lb box is held at rest on a smooth plane by a force P inclined at an angle θ with the plane as shown in the figure. If θ = 45°, determine the value of P and the normal pressure N exerted by the plane.
standard unit of volume in metric system.
If ∠A = 89 o and ∠C = 56o, find the value of ∠B.
Determine the magnitude of P and F necessary to keep the concurrent force system in the figure in equilibrium. NOTE : see fig-8 from the LIST OF FIGURE in week-1
One atmosphere is equivalent to 14.7 pounds per square inch.
What is Friends language name of International System of Unit
What is the acronym of NPL?
To find the resultant vector's magnitude, use the _________ theorem
5.2 L = ________ gal ?
Commonly defined as the amount of heat energy required to raise the temperature of one gram of water by one degree celsius.
Standard unit of mass in metric system.
Two weightless bars pinned together as shown in the fig-15 from the LIST OF FIGURE in Week-1 support a load of 35 kN. Determine the forces P and F acting respectively along bars AB and AC that maintain equilibrium of pin A.
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