Roller Coaster 2

Pages 9-12

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​Roller Coaster Physics

Multiple Choice

The tendency to resist a change in motion is known as __________.

• gravity

• inertia

• Newtons 1st law

• friction

Watch the video and answer the question on the next page.

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Newtons First Law

Multiple Choice

So, in Newton's First Law, an object in motion will do what?

• An object in motion will slow down gradually
• An object in motion will continue in motion unless acted upon by an external force.
• An object in motion will change direction spontaneously
• An object in motion will stop immediately

Watch and learn...

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Newton's 2nd Law

Math Response

So, in Newton's Second Law, net force on an object is equal to Mass x Acceleration.

What is the net force if the mass is 10 pounds and the acceleration is 5 mph.

Type answer here

Correct Answer: 50

Deg^°

Rad

Math Response

So, in Newton's Second Law, net force on an object is equal to Mass x Acceleration.

What is the net force if the mass is 20 pounds and the acceleration is 5 mph.

Type answer here

Correct Answer: 100

Deg^°

Rad

Multiple Choice

So if you increase the mass, do you need to increase the net force in order to accelerate at the same rate?

• yes

• no

• doesn't matter

• stays the same

For every action, there is an equal and opposite reaction. Forces come in pairs.

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Newton's 3rd Law

Dropdown

When you are sitting in a roller coaster seat, what force are YOU applying?​

Select answer

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Select answer

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Select answer

Multiple Choice

What force does your seat use against you when you are sitting in the roller coaster?

• Force of air resistance and force of buoyancy
• Force of tension and force of inertia
• Force of gravity and force of magnetism
• equal and opposite reaction force

Dropdown

Which of Newtons 3 laws does a rocket use when it is thrust into space?​

Select answer