Question

A child is stationary on a swing.
The child is given a push by a parent and the child starts swinging.
The parent stops pushing the child.
Figure 2 shows how the kinetic energy stored in the child varies over the first few swings.

Figure 2
Explain the energy changes during the first few swings.

Answer 1

Answer:

When the child is stationary on a swing , no energy is possessed by the child . On pushing the kinetic energy of the parent is transfered to the child . This energy slowly reduces as the parent ceases to push

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