Differences between revisions 1 and 2 Back to page
Revision 1 as of 9:47PM, Sep 28, 2011
Size: 144
Editor: Sam
Comment:
Revision 2 as of 9:04AM, Sep 29, 2011
Size: 342
Editor: Sam
Comment:
Deletions are marked like this. Additions are marked like this.
Line 1: Line 1:
= Which force? =

Friction, air resistance, tension, spring force, normal force, etc. are all due to

  A. Gravitational force
  A. Electromagnetic force
  A. Strong force
  A. Weak force

Which force?

Friction, air resistance, tension, spring force, normal force, etc. are all due to

  1. Gravitational force
  2. Electromagnetic force
  3. Strong force
  4. Weak force

The force is everywhere

When two objects exchange forces, they can do so without having to contact each other.

  1. Yes
  2. No