Mechanical Energy is possessed by an object due to its_______________

Energy in an object which can create some motion in the object is known as _______________

Where is energy used inside the human body ?

Elastic Potential Energy can be gained by an object due to _____________.

The main source of energy for the body is _____________.

Which of the following are the example of kinetic energy.

A 10  Kg ball s thrown upwards with a speed of 5 m/s.

(a)  Find its potential energy when it reaches the highest point.

(b)  Calculate the maximum height it reaches.

Which of the following statements are true

1. The kinetic energy of an aeroplane at rest is zero.

2. The aeroplane standing at the ground level has zero potential energy.

3. The mechanical energy of the aeroplane at rest will be zero

Which of the following are correct :

(a) We feel tired when the energy of the body is used up beyond a limit.

(b) When you stand for a long time, the muscles of your body are stretched and the heart has to pump more blood to them.

Which of the following statements are not true for gaining elastic potential energy.

1. Due to a change in the shape of  body.

2. By stretching an object

3. By compressing an object

4. By bending an object

5. By pushing an object

6. By twisting an object