Newton's 2nd Law

__________ is the sum of all forces acting on an object. It is capable of accelerating a mass.

• velocity

• gravity

• net force

• distance

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

If there are two forces going in the same direction, how would you find the net force?

• Subtract

• Add

• Neither

• Multiply

What is the unit of measurement for force?

• AMP
• Seconds
• Newtons
• Miles

Which box will accelerate more given the same applied force?

• top

• bottom

A change in velocity over time is called ___________.

• speed
• force
• acceleration
• direction

What is the net force on the object pictured?

• 3 N

• 5 N

• 4 N

• 8 N

What is a measure of the change of velocity of a moving object?

• speed
• acceleration
• motion 
• velocity 

A 20 kg bike accelerates at 10 m/s². What was the force?

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

Kelli is trying to move a 1200kg car at a rate of 4 m/sec². What is the force needed to accelerate the object?

• 300N

• 1,250N

• 4800 N

• 5kg