Which ones are the forces?

• Magnetic

• Elastic Spring

• Gravitational

• Friction

• Fiction

What force that we use for the situation in the picture above:

What force that we use for the situation in the picture above:

Which ones are contact forces?

• Frictional force.

• Gravitational force.

• Magnetic force.

• Elastic spring force.

In magnetic force, south-pole can meet / pull each other with south-pole.

• True

• False