Question

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Answer 1

Answer:

(a) The energy stored in the body due to change in position,shape or size is known as potential energy

(b) A compressed spring shows change in potential energy due to change in shape.

(c) 500*(the difference in height between A and B) J.

Answer 2

Answer:

a).Potential energy :-Energy possesed by a body due to its height or due to change in shape is called as potential energy.

b).When we stretch a rubber band it has potential energy.

c).GIVEN :-

mass = 50kg

At point A,

PE1 = mgh = 50 x 10 x 75 = 37500 J

At point B,

PE2 = mgh = 50 x 10 X 60 = 30000 J

Change in PE = PE1 -PE2

= 37500- 30000

= 7500 J

Isme height nhi thi question incomplete tha lekin i know the question.

Hope it helps

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