Which is the best example of Newton's First Law of Motion?

a soccer ball remains motionless until it is kicked by a player

a basketball thrown in the air falls to the ground

a baseball player swings at an approaching ball

an ice skater pushes back from a wall and moves backwards

An object is resting motionless on a surface. According to Newton's 1st Law, the object will only start to move if

an unbalanced force is applied to the object

the net forces on the object equal zero

the upward force of the object is equal to its acceleration

two forces that are equal and opposite are applied to the object

Which example best explains Newton's Third Law of Motion?

When you sit on a chair, your body exerts a downward force on the surface of the chair, while the chair exerts an equal and upward force on your body.

When a glass slid across a table, it spilled water when it stopped suddenly.

An engine used less work to move a lighter car than when it moved a heavier car.

A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?

For every action there is an equal and opposite reaction.

Every mass exerts a force on every other mass.

An object at rest tends to stay at rest.

Friction opposes the motion of an object.

A crumpled piece of paper hits the ground before a flat sheet of paper because

there is more air resistance against the flat paper.

the acceleration of gravity is greater on the crumpled paper.

the crumpled paper is more massive

the crumpled paper is less massive.

An ice skater at rest pushes against a sled at rest, causing both the skater and sled to move away from each other with different accelerations. This is an example best described by

Newton’s second law of motion.

Newton’s first law of motion for objects at rest.

Newton’s first law of motion for objects in motion.

Newton’s third law of motion.

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)

The one with a mass of .52 kg will have the greatest acceleration.

The one with a mass of .78 kg will have the greatest acceleration.

They will both accelerate at the same rate.

Newton's Laws of Motion

Authored by Megan Katherine Hendrix

Physics

8th Grade

NGSS covered

Used 18+ times

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the formula for force?

F=M/A

F=A/M

F=M*A

F=M*F

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A 20 kg bike accelerates at 10 m/s². what was the force?

25 Newtons

20 Newtons

200 Newtons

10 Newtons

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Unit of mass

m/s 2

m/s

newtons

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is Newton's First Law known as? The Law of

Friction

Mass

Inertia

Gravity

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of force(s) will cause a change in an object's motion?

gravity

zero net force

balanced forces

unbalanced forces

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is Newton's First Law

F=ma

Every action has an equal and opposite reaction

An object at rest stays at rest, an object in motion stays in motion.

Friction

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Newton's third law states that any action will have a(n) _ and reaction

Equal and similar

Equal and opposite

Equal and different

Greater and opposite

Tags

NGSS.MS-PS2-1

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