U2L3: Types of 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

State of a body when external forces are applied to it.

• Normal force

• Elasticity

• Tension

• Push or pull

Tags

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

Is the force usually exerted by a surface on an object that is resisting against it.

• Friction

• Normal force

• Elasticity

• Tension

Is the force of attraction that the body with mass exerts on another.

• Tension

• Push or pull

• Gravity

• Normal force

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What force ultimately slows the roller coaster to a stop?

• Applied

• Normal

• Friction

• Gravitational

Tags

NGSS.MS-PS2-2

Rina’s mother asked her to help move some items from the hall closet to the garage. One item she wanted to move was a large box of old school books. Rina tried to lift the box, but could not pick it up. What force was Rina NOT able to overcome?

• frictional force

• gravitational force

• applied force

• normal force

Tags

NGSS.MS-PS2-4