State whether the following statement is true of false.

Unbalanced forces acting on a body change its shape.

What is the usual name of the forces which cannot produce motion in a body but only change its shape?

Name the unbalanced force which slows down a moving bicycle when we stop pedaling it.

When a ball is dropped from a height, its speed increases gradually. Name the force which causes this change its speed.

Name the property of bodies (or objects) to resist a change in their state of rest or of motion.