1.3 Newton's Laws

Multiple Choice

When an object resists change, like a body in a turning car, it is called ________________.

• inertia

• force

• friction

• drag force

Multiple Choice

What is Force?

• A Push

• A Pull

• Jumping

• Either a push or pull

Multiple Choice

 What is the unit called that measures force?

• Isaac

• Yee

• Newton

• kilogram

Multiple Choice

What does friction produce?

• light

• sound

• heat

• gravity

Multiple Choice

The force that acts in the opposite direction of motion when two surfaces come in contact. 

• Force

• Friction

• Static

• Kinetic 

Multiple Choice

What direction does friction act relative to motion?

• in the same direction

• in the opposite direction 

• need more information

• depends on the force

Multiple Choice

What direction is the force of gravity?

• Up

• Down

• Sideways

Multiple Choice

Describe the photo.

• Forces are unbalanced

• Forces are balanced

Multiple Choice

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

• mass

• inertia

• speed

• direction

Multiple Choice

According to __________, the acceleration of an object is equal to the net force acting on the object divided by the object's mass. 

• Newton's Second Law

• Newton's Third Law

• Newton's First Law

Multiple Choice

F= mass * acceleration

A 20 kg bike accelerates at 10 m/s². what is the force acting upon it?

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

Multiple Choice

What is the net force?

• 40 N left

• 0 N Balalnced

• 400 N right

• 40 N right

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

• Depends on what is in the full shopping cart

Multiple Choice

Whenever an object exerts a force on another object, the second object exerts a force of the same magnitude, but in the opposite direction to that of the first object.

• Always true

• Sometimes true

• Never true

Multiple Choice

Forces always occur

• as single quantities

• in pairs

• by themselves

Multiple Choice

A dog plays with a ball. Consider the action force the dog touching the ball. What is the reaction force?

• The friction of the ground on the ball.

• The ball pushing the ground.

• The ground pulling the dog.

• The ball touching the dog.

Multiple Choice

A person is attracted towards the center of Earth by a 440N gravitational force. The force with which Earth is attracted toward the person is

• More than 440N

• Less than 440N.

• The same, 440N.

Multiple Choice

Which one of Newton's laws are displayed

• 2nd law

• 1st law

• 3rd law

Multiple Choice

The momentum of an object depends upon the object's ___________&_____________.  

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

Multiple Choice

The equation to calculate momentum is

• p=mv

• p=1/2mv²

• p=mgh

• p=mg

Multiple Choice

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

• car

• bike

• they are equal

• cannot determine using the info provided