Newton's laws of motion

Multiple Choice

1. What are forces measured in?

• Kilograms

• Newtons

• Grams

• Meters

Note taking

​Understand and copy the 2 next slides in your notebook

Multiple Choice

What is Newton's First Law known as? The Law of

• Friction

• Mass

• Inertia

• Gravity

Multiple Choice

What is Newton's First Law

• F=ma

• Every action has an equal and opposite reaction

• An object at rest stays at rest, an object in motion stays in motion. 

• Friction 

Multiple Choice

Balanced or unbalanced?

• balanced

• unbalanced

Multiple Choice

What is the net force?

• 20 N 

• 0 N 

• 400 N 

• 40 N 

Note taking

​Understand and copy the 2 next slides in your notebook

Multiple Choice

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

• True

• False

Multiple Choice

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

• mass

• inertia

• speed

• direction

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

Note taking

​Understand and copy the 2 next slides in your notebook

Multiple Choice

A baseball player hits a ball with 400 N of force. How much force does the ball exert on the bat?

• 300

• 400

• 500

• Not enough info to tell

Multiple Choice

Your friend pushes you for making fun of him/her. What is the reaction force?

• You pushing back on your friend

• You pushing on the ground

• There is no reaction force

• Your friend pushing on the ground

Multiple Choice

When you hit a tennis ball with a racket...

• The ball exerts more force on the racket

• The ball and racket exert the same force on each other

• The racket exerts more force on the ball

• It depends on how hard you hit it