Question

Answer the following questions in short.

Give two examples that friction produces heat.

Answer 1

1. The frictional force is the force that opposes the motion of the body over another.
2. The two examples of friction producing heat are as follows:

(i). Rubbing of hands in winter to keep them warm (heats our palms because of the frictional force).

(ii). Rubbing of two rough stone surfaces to produce fire.