Question

Question 10

Contact forces are forces acting upon two objects in contact. Which of the following does NOT represent a contact force?
A.Pushing an object on the floor.
B.Dropping a marble from the roof
C.Kicking a soccer ball across a field
D.The weight of a pen on a table

Answer 1

Dropping a marble from the roof

Step-by-step explanation:

Option B is correct.

Answer 2

B.Dropping a marble from the roof