1. What is needed to reduce the acceleration of moving object?
A. equal force
B. lesser force
C. greater force
D. Unequal force

2. What will happen to a moving object with uniform velocity if it is not acted by an outside force?
A. Continue to move at the constant velocity.
B. Continue to move but velocity will change.
C. Continue to move and abruptly comes to rest.
D. Continue to move and gradually falls to the Earth.

3. How do you compare the PE of the moving object at the highest point compared to it's KE?
A. PE is greater than KE
B. PE is equal to KE
C. PE is lesser than KE
D. KE is greater than PE

4. Speed of sound depends on the?
A. pressure of the medium
B. Temperature of the module
C. Temperature of source producing sound
D. Temperature and humidity of the medium

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