Homework #3

What law is best described by inertia?

• 1st
• 2nd
• 3rd

How does mass relate to inertia?

• The greater the mass, the greater its inertia
• The greater the mass, the less the inertia
• The less the mass, the greater the inertia

Equal and Opposite. Which Newton Law?

• 1st
• 2nd
• 3rd

What Unit do we Measure Force in?

• Joules
• Force
• Kilograms
• Newtons

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them. Which of Newton's Law's does this represent?

• 1st
• 2nd
• 3rd

What is Newton's First Law?

• Friction is constant
• An object at rest stays at rest, an object in motion stays in motion
• Every action has an equal and opposite reaction
• F=ma

Which equation can be derived to solve for mass from Newton's second law?

• m = Fa mass is equal to the amount of force times acceleration
• m = F/a mass is equal to the amount of force divided by acceleration
• m = a/F mass is equal to the acceleration divided by the amount of Force

Newton's third law states that any action will have a(n) _______ and ______ reaction.

• Greater and opposite
• Equal and opposite
• Equal and similar
• Equal and different

You hit a wall with a stick. The equal but opposite reaction is?

• the stick pushes against you
• the wall pushes against you
• you push against the stick
• the wall pushes against the stick

Which is newtons 2nd law?

• Acceleration is a change in name
• Acceleration is a change in velocity
• Acceleration is a change in action
• Acceleration is a change in speed