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What type of energy is possessed : (a)...

What type of energy is possessed :
(a) by the stretched rubber strings of a catapult ?
(b) by the piece of stone which is thrown away on releasing the stretched rubber strings of catapult ?

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The correct Answer is:
(a) Potential energy (b) Both potential energy and kinetic energy
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LAKHMIR SINGH & MANJIT KAUR-WORK AND ENERGY-Exercise
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  2. A boy weighing 40 kg makes a high jump of 1.5 m. (i) What is his kin...

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  3. What type of energy is possessed : (a) by the stretched rubber strin...

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  4. A weightlifter is lifting weights of mass 200 kg up to a height of 2 m...

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  5. (a) Define the term 'work'. Write the formula for the work done on a b...

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  6. (a) When do we say that work is done ? Write the formula for the work ...

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  7. (a) What happens to the work done when the displacement of a body is a...

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  8. (a) Define the term 'energy' of a body. What is the SI unit of energy....

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  9. (a) What do you understand by the kinetic energy of a body ? (b) A b...

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  10. (a) Explain by an example what is meant by potential energy. Write dow...

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  11. (a) What is the difference between gravitational potential energy and ...

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  12. A car is accelerated on a lavelled road and attains a velocity 4 times...

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  13. A car is accelerated on a lavelled road and attains a speed of 4 times...

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  14. In case of negative work, the angle between the force and displacement...

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  15. An iron sphere of mass 10 kg has the same diameter as an aluminium sph...

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  16. A girl is carrying a school bag of 3 kg mass on her back and moves 200...

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  17. The work done on an object does not depend on the :

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  18. Water stored in a dam possesses

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  19. The momentum of a bullet of mass 20 g fired from a gun is 10 kg.m/s. T...

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  20. Each of the following statement describes a force acting. Which force ...

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