Force Pairs

Based on Newton's third law of motion, when a person on a wagon throws a heavy concrete block to the west, the person will be pushed to the ___________ .

• North

• South

• East

• West

Tags

NGSS.MS-PS2-1

Which of the following correctly names force pairs?

• Emma pushes on the bench, and the bench pushes on Earth.

• Earth pulls on Emma, and Emma pulls on Earth

• The bench pushes on the Earth, and Earth pulls on the Emma.

Tags

NGSS.MS-PS2-1

How are action and reaction force pairs and balanced forces related?

• All forces cancel out in both

• Action/Reaction forces are in the same direction and Balanced Forces are opposites.

• Action/Reaction forces are opposite directions and Balanced Forces are the same direction.

• Action/Reaction forces act on 2 objects while Balanced Forces act on one object

When you push a pole downward on Earth to make a pole vault, Earth exerts an UNequal force on the pole.

• TRUE

• FALSE

Tags

NGSS.MS-PS2-1

If you throw a ball at the ground, the ground exerts a force on the ball. The ball exerts no force on the ground.

• True

• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The airboat is a good example of

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Tags

NGSS.MS-PS2-1

A trampoline is a good example of

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Tags

NGSS.MS-PS2-1

Which of the following defines Newton's 3rd law?

• Objects in motion remain in motion unless acted upon by an outside force.

• Acceleration depends on the mass of an object and the force applied to it.

• When an object applies a force on another object, the second object applies a force of the same strength on the first object, but in the opposite direction.

• The weight of an object depends on it's mass and the gravitational pull.

Tags

NGSS.MS-PS2-1

Which of the following demonstrates Newton's 3rd law?

• A drone with a strong engine is able to accelerate faster than a drone with a weak engine.

• If a drone runs out of battery, it will fall until something, like the ground, stops it.

• A light drone is able to go faster than a heavy drone.

• In order to fly, a drone pushes air down while the air pushes the drone up.

Tags

NGSS.MS-PS2-1

When a bug hits the windshield of a car, the force of the car on the bug equals the force of the bug on the car.

• True

• False

Tags

NGSS.MS-PS2-1