Newton's Second Law

What is the acceleration of an object traveling at a constant velocity?

• 10 m/s²
• 0 m/s²
• 250 m/s²
• 20 m/s²

Tags

NGSS.HS-PS2-1

What are the appropriate units to describe acceleration?

• m/s
• m/s²
• cm
• there are no units associated with acceleration

How can acceleration be described?

• distance divided by time
• time divided by distance
• force divided by time
• change in velocity divided by time

Tags

NGSS.HS-PS2-1

How can Newton's second law be represented  mathematically? 

• F=MA
• M= F/A
• A= F/M
• All are correct

Tags

NGSS.MS-PS2-2

Acceleration changes and object's...

• speed, direction or both
• speed, gravity or both
• gravity, direction or both
• inertia, speed or both

Tags

NGSS.MS-PS2-2

Why would one ball accelerate more than the other when pushed with the same amount of force?

• Different weights
• Different forces
• Different masses
• Different sizes

Tags

NGSS.MS-PS2-2

Jenny applies a 60 N force to a 20 Kg cart, what is the acceleration of the cart if friction can be neglected?

• 1200 m/s²

• 0.33 m/s²

• 20 m/s²

• 3 m/s²

Tags

NGSS.MS-PS2-2

An object accelerates 5 m/s² when a force of 20 newtons is applied to it. What is the mass of the object?

• 4 Kg
• 20 Kg
• 0.5 Kg
• 2 Kg

Tags

NGSS.MS-PS2-2

An object with a mass of 6.0 kg accelerates 4.0 m/s² when an unknown force is applied to it. What is the amount of the force?

• 240 N
• 24 N
• 2.4 N
• 0.24 N

Tags

NGSS.MS-PS2-2

A car is 2000kg and accelerating at 20m/s², what is the net force applied to it?

• 40000 N
• 100 N
• 5 N
• 200 N

Tags

NGSS.MS-PS2-2