Some of the facts that you have learnt till now are listed below. Tick (✓) the facts that are correct and cross (x) the facts that are incorrect.

(a) Force can only change the direction and motion of a body.

(b) The SI unit of force is newton.

(c) The resultant force is the total force acting on a body.

(d) A lot of force can change the mass of a body.

(e) The body only moves if the applied force is sufficient.

(a) x

Corrected Fact — A force can change the direction and motion of a body but it can also change the shape and size of an object for example, if we take a ball of cotton and press it between the hands, its shape and size changes.

(b) ✓

(c) ✓

(d) x

Corrected Fact — Force applied on a body does not affect the mass of the body because the applied force does not change the composition of matter that is present in the body.

(e) ✓