4. Newton's Laws

What is the tendency of an object to resist a change in motion?

• coffee
• motion
• inertia
• gravity

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__________ is the sum of all forces acting on an object. It is capable of accelerating a mass. 

• velocity
• gravity
• net force
• distance

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As the acceleration of an object increases, what happens to the force of the object? 

• force increases
• force decreases
• force remain the same
• mass increases

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What kind(s) of objects have inertia?

• all objects with mass
• only objects at rest
• only objects in motion
• only objects whose motion is being changed

Which law explains why you need to wear a seat belt? 

• Newton's First 
• Newton's Second
• Newton's Third
• Newton's Law of Universal Gravitation

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How does Newton’s third law explain how a rocket takes off?

• The rocket’s acceleration is positive, while the gasses acceleration is negative but the direction is the same. 
• The rocket is at rest until ignition.
• The hot gases move in one direction, while the rocket moves in the opposite direction but with equal force.
• The rocket is an object in motion and wants to stay in motion.

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A force acting on an object will cause a change in

• acceleration
• mass
• inertia
• action

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If there is a big mass, it would need a stronger force to accelerate it.  Which law does this describe?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's Law of Universal Gravitation

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An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force.  Which law does this describe?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's Law of Universal Gravitation

A person in car  slides to the right when going through a very sharp left turn on the highway. 

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's Law of Universal Gravitation

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