Inspire Science

Gravity is ......

• A non contact force that pulls objects towards each other

• A contact force that pulls objects towards each other

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The force to move an object is called

• gravity

• energy

• Work

• friction

A force that opposes the motion of one object moving past another to slow it down is?

• unbalanced force

• force

• friction

• balanced force

Tags

NGSS.MS-PS2-2

A brake on a bike that rubs on a wheel to slow the bike down is an example of

• friction

• gravity

• inertia

Tags

NGSS.MS-PS2-2

A bicycle will not start to move unless an unbalanced force acts on it is an example of?

• Gravity

• friction

• Unbalance force

• Inertia

Tags

NGSS.MS-PS2-2

An unbalanced force changes the motion of an object?

• True

• False

Tags

NGSS.MS-PS2-2

Which is an example of two objects colliding causing the motion of those objects to change? Pick all that apply

• Hanging balls that stay still and are not moved.

• Hanging balls that when one is pulled and released will hit the others.

• A person riding a bike by pushing the pedals to move forward.

• A bike that is on a bike rack.

Tags

NGSS.MS-PS2-1

a change in an object's position

• MOTION

• SPEED

• ACCELEARATION

• FORCE

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

a change in velocity over time

• FRICTION

• INERTIA

• ACCELERATION

• FORCE

Tags

NGSS.MS-PS2-2

a push or pull on an object

• INERTIA

• VELOCITY

• FORCE

• FRICTION

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2