Question

What is the main difference between a contact force and a non-contact force?

A.

A contact force works by touching another object, while a noncontact force does not.
B.

A contact force works without touching another object, while a noncontact force does not.
C.

A contact force pushes an object, while a noncontact force pulls an object.
D.

A non-contact force pushes an object, while a contact force pulls an object.

Acutally its science soo not history

Answer 1

It's A = An contact force works by touching another object, while a noncontact force does not.

Answer 2

A

Step-by-step explanation:

A non-contact force is a force which acts on an object without coming physically in contact with it. The most familiar non-contact force is gravity, which confers weight. In contrast a contact force is a force applied to a body by another body that is in contact with it.