If you carry a heavy bag of groceries and bang your hand against the wall,the concept that best explains why your hand hurts is
A)inertia.
B)gravity.
C)resistance.
D)none of the above

Question

Quizplus · Accepted Answer

Inertia is the tendency of an object to resist any change in its motion. When you bang your hand against the wall, the wall exerts a force on your hand, which causes your hand to stop moving. The inertia of your hand causes it to continue moving forward, which results in pain.

If You Carry a Heavy Bag of Groceries and Bang