AP Physics Chapter 6 Exam Questions and Correct Answers Already Passed
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AP Physics Chapter 6
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AP Physics Chapter 6
AP Physics Chapter 6 Exam Questions and Correct Answers Already Passed
What is the correct unit of work expressed in SI ? - Answers Kg m2/s2
Can work be done on a system if there is no motion? - Answers No, because of the way work is defined.
If you push twice as hard against a stationary brick...
AP Physics Chapter 6 Exam Questions and Correct Answers Already Passed
What is the correct unit of work expressed in SI ? - Answers Kg m2/s2
Can work be done on a system if there is no motion? - Answers No, because of the way work is defined.
If you push twice as hard against a stationary brick wall, the amount of work you do - Answers remains
constant at zero
A 50-N object was lifted 2.0 m vertically and is being held there. How much work is being done inholding
the box in this position? - Answers 0 J
f you walk 5.0 m horizontally forward at a constant velocity carrying a 10-N object, the amount of work
you do is - Answers zero
A container of water is lifted vertically 3.0 m then returned to its original position. If the total weight is30
N, how much work was done - Answers no work was done
Does the centripetal force acting on an object do work on the object? - Answers No, because the force
and the displacement of the object are perpendicular.
You throw a ball straight up. Compare the sign of the work done by gravity while the ball goes up
withthe sign of the work done by gravity while it goes down. - Answers Work is - on the way up and + on
the way down
The area under the curve, on a Force versus position (F vs. x) graph, represents - Answers work
On a plot of Force versus position (F vs. x), what represents the work done by the force F? - Answers the
area under the curve
The quantity 1/2 mv2 is - Answers the kinetic energy of the object
If the net work done on an object is positive, then the object's kinetic energy - Answers increases
If the net work done on an object is negative, then the object's kinetic energy - Answers decreases
If the net work done on an object is zero, then the object's kinetic energy - Answers remains the same
A truck weighs twice as much as a car, and is moving at twice the speed of the car. Which statement
istrue about the truck's kinetic energy compared to that of the car? - Answers The truck has 8 times the
kinetic energy of the car
Car J moves twice as fast as car K, and car J has half the mass of car K. The kinetic energy of car
J,compared to car K is - Answers 2 to 1
An object hits a wall and bounces back with half of its original speed. What is the ratio of the final kinetic
energy to the initial kinetic energy? - Answers 1/4
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