What happens to the friction on this type of surface?

Smooth surface has less friction

Smooth surface has more friction

Smooth surface has balanced friction

Select all the examples of Contact Force.

Friction from sliding on the ground in baseball

What happens to the friction on this type of surface?

Rough surface has more friction

Rough surface has less friction

Rough surface has balanced friction

Select all the examples of Contact Force.

Gravity causing an apple to fall from a tree

How will this object move?

The object will move to the right, as the forces are unbalanced.

The object will move to the left, as the forces are balanced.

The object will move to the left, as the forces are unbalanced.

The object will move to the right, as the forces are balanced.

Newton's 3rd Law of Motion states that when an object exerts a force upon another object, the second object exerts a

equal amount of force and in the opposite direction.

higher amount of force and in the opposite direction.

lower amount of force and in the same direction.

equal amount of force and in the same direction.

How does the paddling motion of a swimmer help the swimmer move forward?

As the swimmer's hands push the water backward, the water pushes forward on the swimmer.

As the swimmer’s hands push the water backward, a current of water comes from behind and propels the swimmer.

As the swimmer’s hands push the water backward, the water moves out of the way and lets the swimmer continue through the water

As the swimmer’s hands push the water backward, the water keeps the swimmer floating.

Which statement best explains why it hurts to punch a wall:

When your fist hits the wall, the wall exerts an equal force back onto your fist.

When your fist hits the wall, the wall is solid so it hurts your hand.

When your fist hits the wall, your bones all smash together.

When your fist hits the wall, the wall vibrates.

A person walking on a level surface moves forward because the forces of ...

his feet pushing backward on the ground, while the ground pushes forward on his feet.

his feet pushing forward on the ground

the ground pushing forward on his feet.

the ground pushing backward on his feet, while his feet push backward on the ground.

Two people with the same body mass stand facing each other on roller skates. Skater A shoves (pushes against) Skater B. Which option best describes what would happen to each skater?

Skater-B and Skater-A would both roll backward at the same rate.

Skater-B would roll backward, while Skater-A would stay in one place.

Skater-B would roll backward quickly, while Skater-A would roll backward slowly.

Skater-B would stay in place, while Skater-A would roll backward.

When you blow up a balloon and let it go, it flies around the room. What are the action/reaction pairs?

Action:air coming out of the back of the balloon.Reaction: balloon moving forward.

Action: balloon moving forward. Reaction: air coming out of the back of the balloon.

Action: balloon moving forward. Reaction: friction with the air molecules.

Action: friction with the air molecules. Reaction: balloon moving forward.

What are the action reaction forces for a rocket?

Action: force (fuel) being sent downward Reaction: rocket going into the air

Action: rocket going into the air. Reaction: force (fuel) being sent downward

Action: gravity pulling the rocket down. Reaction: fuel pushing the rocket up

Action: fuel pushing the rocket up. Reaction: rocket fighting against air friction

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

Pushes back with a force less than 5N

Pushes back with a forcec greater than 5N

Does nothing. A table has no force.

A ball bat hits aball with a force of 100 Newtons. What is the force and direction exerted by the ball on the bat?

100 Newtons, opposite direction

200 Newtons, opposite direction

Which of the following is an example of Newton’s Third Law:

You jump on a trampoline. It springs you back into the air.

A swimmer pushes against a pool wall to begin swimming a lap.

A rocket’s thrust pushes it out of Earth's atmosphere.

6th Grade Science Physics - New

Authored by Wendy Campbell

Science, Physics

7th - 8th Grade

NGSS covered

Used 2+ times

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50 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A push or pull on an object

gravity

kinetic energy

friction

force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The energy of motion

kinetic energy

potential energy

negative energy

positive energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Any force that occurs as a result of two objects making contact with each other

collision

damage

independent variable

contact force

Tags

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Unit for measuring force

Newton

Centimeter

Joule

Celsius

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The action of one surface or object rubbing against another

air resistance

fiction

non-fiction

friction

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Stored energy in a system

kinetic energy

potential energy

solar energy

thermal energy

Tags

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For every action there is an equal and opposite reaction

Newton's First Law

Newton's Second Law

Newton's Third Law

Newton's Fourth Law

Tags

NGSS.MS-PS2-1

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6th Grade Science Physics - New

A push or pull on an object

The energy of motion

Any force that occurs as a result of two objects making contact with each other

Unit for measuring force

The action of one surface or object rubbing against another

Stored energy in a system

For every action there is an equal and opposite reaction

Which contact force is shown?

What happens to the friction on this type of surface?

Which contact force is shown?

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