Chapter 6
... A falling object will continue to fall faster and faster….until the upward push of air resistance becomes equal to the downward pull of gravity. The object then falls at a constant velocity known as terminal velocity. ...
... A falling object will continue to fall faster and faster….until the upward push of air resistance becomes equal to the downward pull of gravity. The object then falls at a constant velocity known as terminal velocity. ...
479KB - NZQA
... the same. OR • Rubber bumpers move a distance when compressed, • so for the same amount of work done or energy changed, or the same change in velocity, acceleration is decreased due to longer time • less force is used. ...
... the same. OR • Rubber bumpers move a distance when compressed, • so for the same amount of work done or energy changed, or the same change in velocity, acceleration is decreased due to longer time • less force is used. ...
Chapter 2 - Test Bank 1
... 53. Since it starts going up at 40 m/s and loses 10 m/s each second, its time going up is 4 seconds. Its time returning is also 4 seconds, so it’s in the air for a total of 8 seconds. Distance up (or down) is 1/2 gt2 = 5 42 = 80 m. Or from d = vt, where average velocity is (40 + 0)/2 = 20 m/s, and ...
... 53. Since it starts going up at 40 m/s and loses 10 m/s each second, its time going up is 4 seconds. Its time returning is also 4 seconds, so it’s in the air for a total of 8 seconds. Distance up (or down) is 1/2 gt2 = 5 42 = 80 m. Or from d = vt, where average velocity is (40 + 0)/2 = 20 m/s, and ...
Review1 - UCF Physics
... Drawing a FBD of forces on an object (on, not by) 1. Choose the object to analyze. Draw it as a dot. 2. What forces physically touch this object? This object, not some other 3. What “action at a distance” forces act on the object? Gravity is the only one for this PHYS2053 4. Draw these forces as ar ...
... Drawing a FBD of forces on an object (on, not by) 1. Choose the object to analyze. Draw it as a dot. 2. What forces physically touch this object? This object, not some other 3. What “action at a distance” forces act on the object? Gravity is the only one for this PHYS2053 4. Draw these forces as ar ...
force and laws of motion
... comes to a stop in 5s.Waht will be the force exerted by the car on the tree? 21.A force of 0.6 N acting on a body increases its velocity from 5m/s to 6m/s in 2s. Calculate the mass of the body. 22.For how much time should the force of 400N be exerted on a body of mass 8kg to increase its velocity fr ...
... comes to a stop in 5s.Waht will be the force exerted by the car on the tree? 21.A force of 0.6 N acting on a body increases its velocity from 5m/s to 6m/s in 2s. Calculate the mass of the body. 22.For how much time should the force of 400N be exerted on a body of mass 8kg to increase its velocity fr ...
survivor_1_
... If Fnet , the vector sum of all forces acting on an object, is not equal to zero then the object _____ . • A) has no inertia • B) has uniform velocity • C) is in equilibrium • D) will accelerate 20 seconds ...
... If Fnet , the vector sum of all forces acting on an object, is not equal to zero then the object _____ . • A) has no inertia • B) has uniform velocity • C) is in equilibrium • D) will accelerate 20 seconds ...
3rd Law notes
... •These Two forces are known as an action/reaction pair. •Gravity acts on an object and the object acts with equal force. ...
... •These Two forces are known as an action/reaction pair. •Gravity acts on an object and the object acts with equal force. ...
SCI24TutJan15th
... A transport truck with a mass of 10 000 kg and a car with a mass of 2000 kg are travelling at the same velocity (100 km/h) but in opposite directions. The truck is travelling to the left, and has a momentum of – 1 000 000 kg.km/h. The car is moving to the right, and has a momentum of +200 000 kg.km ...
... A transport truck with a mass of 10 000 kg and a car with a mass of 2000 kg are travelling at the same velocity (100 km/h) but in opposite directions. The truck is travelling to the left, and has a momentum of – 1 000 000 kg.km/h. The car is moving to the right, and has a momentum of +200 000 kg.km ...
Circular Motion
... Q5) A ball is whirled on the end of a string in a horizontal circle of radius R at constant speed v. The centripetal acceleration of the ball can be increased by a factor of 4 by 1) keeping the speed fixed and increasing the radius by a factor of 4. 2) keeping the radius fixed and increasing the spe ...
... Q5) A ball is whirled on the end of a string in a horizontal circle of radius R at constant speed v. The centripetal acceleration of the ball can be increased by a factor of 4 by 1) keeping the speed fixed and increasing the radius by a factor of 4. 2) keeping the radius fixed and increasing the spe ...
Newton`s Laws & Momentum
... rest and an object in motion continues to move with the same velocity, unless the object is acted upon by an unbalanced force. Inertia is the property which causes this change in motion. • SECOND LAW: When a force acts on a body the rate of change of momentum is proportional to the applied force and ...
... rest and an object in motion continues to move with the same velocity, unless the object is acted upon by an unbalanced force. Inertia is the property which causes this change in motion. • SECOND LAW: When a force acts on a body the rate of change of momentum is proportional to the applied force and ...
Newton`s First Law of Motion
... Newton’s First Law of Motion “Objects tend to keep on doing whatever it is that they are doing unless another force acts on them” The Law of Inertia!! ...
... Newton’s First Law of Motion “Objects tend to keep on doing whatever it is that they are doing unless another force acts on them” The Law of Inertia!! ...
PHYSICS 111, First Exam, Fal12004 ID number MULTIPLE CHOICE
... 13) One object has twice as much mass as another object. The first object also has twice as much A) velocity. B)volume. @ertia. D) gravitational acceleration. E) all of these. 14) A ball is thrown upwards. Neglecting air resistance,what initial upward speed does the ball need to remain in ~ir for a ...
... 13) One object has twice as much mass as another object. The first object also has twice as much A) velocity. B)volume. @ertia. D) gravitational acceleration. E) all of these. 14) A ball is thrown upwards. Neglecting air resistance,what initial upward speed does the ball need to remain in ~ir for a ...