Newtons Laws review

Objects in motion tend to stay in _________; Objects at rest tend to stay at ________.

• motion; rest

• rest; motion

• action; progress

What do physicists call Newton's 1st law?

• The Law of Energy

• The Law of Newton

• The Law of Inertia

• The Law of Motion

What do you need in order to calculate force?

• Distance and Time

• Time and Acceleration

• Movement and Rate

• Mass and Acceleration

More mass=More force used

• True

• False

What does Newton's 3rd Law tell us?

• None of these

• For every action there is no reaction

• For every action there is an equal and opposite reaction

• For every reaction there is an equal and opposite force

How is the earth affected by you riding your bicycle?

• The earth is not affected because it is so large

• Your bicycle is moving too quickly to effect the earth

• There is a noticeable change in the earth's rotation

• All of these

What is the formula used to calculate force?

• Force=Mass(Acceleration)

• Force=Weight(Distance)

• Force=Distance(Time)

• I don't know...

You drop a book that is 2 kg. it moves downward at an acceleration of 10 m/s². What is the force acting on the book? Hint: use F=ma

• 20 N

• 5 N

• 12 N 

• 8 N