Gravity and Force Fields

Forces have strength and direction.

• True

• False

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

To calculate net force, when forces are acting in opposite directions, the forces are ...

• added 

• subtracted 

• multiplied 

• divided 

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NGSS.HS-PS2-1

As the distance between 2 objects increases, what happens to gravitational force?

• It increases.

• It decreases.

• It stays the same.

• Only Mr. Silvio knows what will happen.

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NGSS.MS-PS2-4

As mass increases, what happens to the gravitational force?

• It increases.

• It decreases.

• It stays the same.

• It acts as a 3rd degree derivative function.

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NGSS.MS-PS2-2

NGSS.MS-PS2-4

With unbalanced forces, the object will move in the direction of the _______ force.

• larger 

• smaller 

• equal 

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NGSS.MS-PS2-2

Imagine you travel to another planets. What will change as you walk around the surface of the planet- your mass or your weight?

• Mass

• Weight 

• Both 

• Neither 

When does a falling object experienced balanced forces?

• When it reaches terminal velocity

• During free fall

• When it first starts to fall

• When it bounces up after hitting the ground

Tags

NGSS.MS-PS2-4

What is the force that attracts two bodies towards each other?

• Electromagnetic force

• Nuclear force

• Gravitational force

• Frictional force

Tags

NGSS.MS-PS2-4

Which of the following is a unit of force?

• Newton

• Joule

• Watt

• Pascal

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If an object is in free fall, what force is acting on it?

• Air resistance

• Gravitational force

• Magnetic force

• Frictional force

Tags

NGSS.MS-PS2-4