Identifying Forces

Force of attraction (pulling) between two objects. (Every object experiences this on earth)

• gravitational

• normal

• applied

• friction

Tags

NGSS.MS-PS2-4

Support force exerted up into an object.

• gravitational

• normal

• applied

• friction

Force that resists motion between two surfaces.

• gravitational

• normal

• applied

• friction

Is the force usually exerted by a surface that an object is on

• Friction

• Normal force

• Elasticity

• Tension

what is a force?

• a push or a pull

• change in displacement

• change in direction

Tags

NGSS.MS-PS2-1

A type of friction that occurs when air pushes against a moving object causing it to decelerate.

• surface area

• air resistance

• velocity

• gravity 

What is a force that acts at a distance?

• A force that requires contact

• can be applied without contact between objects

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What force is your chair acting upon you right now so you don't fall to the floor?

• applied

• normal

• gravity

• friction

Tags

NGSS.MS-PS2-2

Magnetic force is

• a contact force

• what holds us to the Earth's surface

• a form of friction

• a noncontact force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Contact force

• A force that can only be applied with touch

• A force that can act at a distance

Tags

NGSS.MS-PS2-5