Newton's 2nd Law

A change in velocity over time is called ___________.

• speed
• force
• acceleration
• direction

An object's velocity can be changed by changing its speed, its direction, or both.

• True
• False

Tags

NGSS.MS-PS3-1

The increasing speed of a falling object is caused by _____________.

• force
• mass
• speed
• gravity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Newton's second law of motion describes acceleration as force divided by __________.

• mass
• inertia
• speed
• direction

Tags

NGSS.MS-PS2-2

If a net force acts on a moving object in the direction that the object is moving, the object will slow down.

• True
• False

What is the net force?

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

Tags

NGSS.MS-PS2-2

What happens when unbalanced forces act on an object at rest?

• the object remains at rest
• the object begins moving in an unpredictable direction
• the object begins moving in the direction of the net force
• the object begins moving opposite to the direction of net force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

20 N is the

• mass
• weight
• force
• acceleration 

Tags

NGSS.MS-PS2-4

45 m/s² is the... 

• Mass
• Force 
• Acceleration
• weight

Tags

NGSS.HS-PS2-1

Football A has a greater mass than football B. Which football will have greater acceleration when both are thrown with the same force in the same direction?

• Football A

• Football B

• They will have the same acceleration

• Mass has no effect on acceleration

Tags

NGSS.MS-PS2-2