Question

(a) On what factors does the gravitational potential energy of a body depend?
(b) Give one example each of a body possessing (i) kinetic energy, and (ii) potential energy.

Answer 1

(a)POTENTIAL ENERGY DEPENDS ON THE FOLLOWING FACTORS :

• MASS
• HEIGHT
• ACCELARATION DUE TO GRAVITY

(b)(i)A RUNNING LEOPARD POSSESSES ENERGY DUE TO MOTION WHICH IS AN EXAMPLE OF KINECTIC ENERGY.

(ii)A STRECHED BOW POSSESSES IT'S ENERGY DUE TO IT'S SHAPE WHICH IS AN EXAMPLE OF POTENTIAL ENERGY.

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Answer 2

(a) A body's potential gravitational energy depends on its place above ground.

(b) Kinetic energy - A car traveling on a road at a certain speed absorbs kinetic energy.

Potential energy- Because of the change in shape an extended rubber band contains potential energy.

Explanation:

(a) A body's potential gravitational energy depends on its place above ground.

For example - Because of its place above ground a book placed on a table contains gravitational potential energy.

(b) (i) Example of Kinetic energy - A car traveling on a road at a certain speed absorbs kinetic energy.

    (ii) Example of Potential energy- Because of the change in shape an extended rubber band contains potential energy.

To know more about gravitational potential energy, visit:

Define potential energy? Give SI unit? State two factors on which the magnitude of potential energy depends. Give one example for each the change of potential energy due to.

(a) position

(b) configuration of the body

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A stone is dropped from a height h its potential energy at a particular instant is nine times its kinetic energy when the velocity is double what will be the ratio of its new kinetic energy and new potential energy ​?

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