Question

Which event is an example of a contact force?

A.
a nail being attracted to a magnet
B.
a leaf falling from a tree
C.
an electric charge jumping from a sweater to a person
D.
a person pulling a sled

Answer 1

Answer:

D. a person pulling a sled.

Explanation:

contact force only occurs when something directly comes in contact with another object.

a. is wrong because that is called magnetic force.

b. gravitational force

c. is an electrical force