If you are carrying a heavy bag of groceries and bang your hand against the wall, the concept that most explains why you are hurt is
A)inertia.
B)gravity.
C)acceleration.
D)resistance.
E)none of the above

Question

Quizplus · Accepted Answer

Inertia, a property of matter by Newton's first law, explains why your hand hurts when it suddenly stops moving upon hitting the wall, while the groceries continue moving due to their inertia, exerting force on your hand.

If You Are Carrying a Heavy Bag of Groceries and Bang