1. The energy acquired by a body because of its motion is called potential energy.   True   False   2. Kinetic energy of a body in motion equals the product of half its mass and the square of its _______   acceleration   velocity   distance   Hint Half-n-half Clue   3. A pebble is dropped from the top of a cliff 48 m in height. The kinetic energy of the pebble equals twice its potential energy at a distance of _______ above sea level.   36 m   24 m   12 m   16 m   Half-n-half Clue   4. Both work and heat are measured in Joules.   True   False   5. 'Energy can neither be created nor destroyed' is a statement of the   Law of Conservation of Energy   Law of Conservation of Electric Charges   Law of Conservation of Matter   Half-n-half Clue   6. If an engine does 520 J of work in 8 seconds, its average power is   65 W   528 W   512 W   4160 W   Half-n-half Clue   7. Power is the rate of doing work.   True   False