3rd Law Questions

Action reaction forces never cancel each other out because

• They act on different objects.

• They act on the same objects

• They do not act on objects.

When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?

• The cannon moving forward

• The cannon moving backwards

• The cannonball moving backwards

• The cannonball moving forward

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NGSS.MS-PS2-1

If two people with the same mass collide, they experience the same amount of force.

• True

• False

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Action-reaction pairs can cause a change in motion.

• True

• False

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NGSS.MS-PS2-1

Force always come in________

• waves

• triplets

• pairs

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NGSS.MS-PS2-1

When a heavy football player and a light one run into each other, who exerts more force

• The light one

• Their force are equal

• The heavy one

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

A book pushes down on a table with a force of 5N, the table..

• Pushes back with a force of 5N

• Pushes back with a force less than 5N

• Pushes back with a forcec greater than 5N

• Does nothing. A table has no force.

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NGSS.MS-PS2-1

A rocket pushes exhaust 10, 000 N. Without any other forces acting on the rocket, how much force does the rocket go forward?

• 15,000 N
• 1,000 N
• 10, 000 N

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NGSS.MS-PS2-2

In a collision between two objects, how does Newton's third law explain the forces involved?

• The forces involved are unequal in magnitude and opposite in direction.

• The forces involved are equal in magnitude and direction.

• The forces involved are equal in magnitude and opposite in direction.

• The forces involved are equal in magnitude and random in direction.

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NGSS.MS-PS2-1

If a bird hit your windshield on your car, the force of the car on the bird equals

• the force of the bird on your car.

• the force of the car on the brid

• an elastic collision on the windshield

• a noncontact force acting on the windshield

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NGSS.MS-PS2-1