Question

What type of force does a backpack exert on the body’s back and hips?

Answer 1

It puts pressure on them causing your back to hurt and to shift all the wheight on your hips

Step-by-step explanation:

Answer 2

A backpack exert compression on the body’s back and hips

Step-by-step explanation:

Backpack can cause excessive strain in one's neck, back and shoulders if it is heavy and if it is worn for a long time. The weight's force can pull you backward. In order to compensate for the force we bend forward at the hips or arch our back and this causes the spine to compress unnaturally.