Newton's Second Law

Newton's Second law of Motion

Multiple Choice

The harder you hit a baseball, the faster it accelerates.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Multiple Choice

When force is 20 N, mass is 5 kg, what is acceleration?
F = ma

• 25 m/s/s
• 5 m/s/s
• 100 m/s/s
• 4 m/s/s

Multiple Choice

A ball is rolling on the floor and a force pushes it in the same direction, what will happen?

• The ball will go faster.
• The ball will slow down.
• The ball will stop. 
• The ball will fly in the air.

Multiple Choice

What Unit do we Measure Force in? 

• Newtons
• Joules
• Force
• Don't know

Multiple Choice

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

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

Multiple Choice

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

Multiple Choice

Will it take more force to push an empty shopping cart or a shopping cart that is full?

• The empty shopping cart
• The full shopping cart
• They will take the same amount of force

Multiple Choice

When the force on a car is doubled, the acceleration is doubled.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Multiple Choice

Why would one object have a greater acceleration than another when pushed with the same amount of force?

• The objects have different weights.

• The objects have different forces.

• The objects have different masses.

• The objects are different sizes.

Multiple Choice

According to Newton's second Law, which would take more force to slow down?

• The silver car

• The green car

• They would both take the same force

Multiple Choice

A greater applied force is required to move an object with a greater mass than one with a smaller mass.

• True
• False

Multiple Choice

How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?

• 36 N
• 12 N
• 3 N
• 0.33 N

Multiple Choice

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

Multiple Choice

F=MA
An object of mass 10 kg is accelerated upward at 2 m/s².  What force is required? 

• 20 N
• 2 N
• 5 N
• 0 N

Multiple Choice

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

• mass
• inertia
• speed
• direction