Unit III (Forces) - Test Review

Force that opposes the motion of objects that move through the air.

• air resistance

• force

• gravity

• inertia

Tags

NGSS.MS-PS2-5

A force that is directed toward the center of a curved or circular path

• centripetal force

• inertia

• gravity

• net force

A push or a pull exerted on an object

• force

• field

• weight

• friction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Force that opposes the sliding motion between two touching surfaces

• friction

• net force

• field

• air resistance

Attractive force between two objects that depends on the masses of the objects and the distance between them

• gravity

• net force

• weight

• air resistance

Tags

NGSS.MS-PS2-4

Tendency of an object to resist any change in its motion.

• inertia

• gravity

• free fall

• terminal velocity

If I step off a boat with a force of 500 Newtons, how much force is the boat pushed back with (assuming I have a mass of 75 kg and the boat has a mass of 4,000 kg).

• 500 Newtons

• 75 Newtons

• 80 Newtons

• 37,500 Newtons

Tags

NGSS.HS-PS2-2

States that an object moving at a constant velocity keeps moving at that velocity unless an unbalanced force acts on it.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Law of Conservation of Momentum

The maximum speed an object will reach when falling through a substance, such as air.

• terminal velocity

• air resistance

• weight

• centripetal force

Tags

NGSS.MS-PS3-1

Gravitational force exerted on an object.

• weight

• free fall

• gravity

• terminal velocity

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5