Answer the following: When you switch off the fan, it soon comes to rest. Why?

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Solution

When you switch off the fan, it soon comes to rest because energy is needed to keep the fan rotating.
This energy is needed to overcome the friction due to air that fan blades experience when rotating.
Force due to friction is responsible to stop it when switched off.

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Answer the following: When you switch off the fan, it soon comes to rest. Why?

When you switch off the fan, it soon comes to rest because energy is needed to keep the fan rotating.This energy is needed to overcome the friction due to air that fan blades experience when rotating.Force due to friction is responsible to stop it when switched off.

When you switch off the fan, it soon comes to rest because energy is needed to keep the fan rotating.
This energy is needed to overcome the friction due to air that fan blades experience when rotating.
Force due to friction is responsible to stop it when switched off.