Contact vs Noncontact Forces

Are forces applied when the objects involved are in direct contact.

• Contact forces

• Normal forces

• action-at-a-distance forces

When a body moves another.

• Normal force

• Friction

• Elastic

• Pushing or pulling

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Force with which objects tend to return to its original state after being stretched or compressed by an external force.

• Push or pull

• Tension

• Elasticity

• Friction

Generated between two bodies in contact with each other by resistance to rubbing between them.

• Push or pull

• Tension

• Elasticity

• Friction

Earth behave like a huge magnet.

• True

• False

• I don't know

What type of force?

• Magnetic
• Gravitational
• Applied
• Normal

Tags

NGSS.MS-PS2-3

What type of force is holding this balloon to the wall?

• Applied

• Gravitational

• Magnetic

• Electrostatic force

Tags

NGSS.MS-PS2-3

Leanna decided to rearrange her bedroom by moving her dresser to the opposite wall. She tried pushing it, but found that the dresser would not move. What force was Leanne NOT able to overcome?

• electrical force

• magnetic force

• tension force

• frictional force

Tags

NGSS.MS-PS2-2

What force does a parachute use to slow things down before hitting the ground?

• Friction
• Air resistance
• Water resistance
• Wind

A ____________ is a push or a pull on an object.

• friction

• force

• magnet

• gravity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2