Exercises II
A. SHORT ANSWER TYPE QUESTIONS
1. Identify the energy possessed by a rolling stone.
2. Identify the kind of energy possessed by a running athlete.
(Mass of truck > Mass of car)
when its velocity becomes zero.
6. State the energy conversions in a dry cell.
energy as its velocity becomes zero?
possess more kinetic energy? How?
to the work done by the force on the body.
3. At what speed a body of mass 1 kg will have a kinetic energy of 1 J?
4. A car and a truck are moving with the same velocity of 60 km h-1. Which one has more kinetice
7. Which would have greater effect on the kinetic energy of an object - doubling the mass or doubling
8. When a ball is thrown vertically upwards, its velocity goes on decreasing. What happens to its per
10. The velocity of a body moving in a straight line is increased by applying a constant force F, for et
distance in the direction of the motion. Prove that the increase in the kinetic energy of the body's
5. A body is thrown vertically upwards. Its velocity goes on decreasing. Write the change in kinese
9. A horse of mass 210 kg and a dog of mass 25 kg are running at the same speed. Which of the two possess more kinetic energy
Answers
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Answer :
too big sorry
Explanation:
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