A.
1.)No work is done on an object if___
A. The force is zero
B. The object is at rest
C. The force is perpendicular to the direction of the motion
D. All of the above

2.)Work is done on an object when____
A. It is lifted to a certain height
B. Is is pulled a certain distance along the force
C. It is pushed a certain distance along the force
D. All of the above

B.
On the blank before the number, write T if the statement is True and F if it is False. If the statement is false, write the corrected statement on the blank provided below the original statement.

1.) Work is done on an object of the direction of the force is perpendicular to the direction of motion.
_________________

2.) The longer the amount of time done by the machin in doing work, the smaller its mechanical power.
___________________

3.) The SI unit of power is newton (N) or joule per second (J/s).
_______________________

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