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

Jessica's body flies forward after she hits the brakes

If I slowly roll a ball down the hallway, why does it eventually stop?

It wouldn't stop, it would keep going until it hits a wwall.

friction is a force that acts

opposite to the direction of the motion

in the same direction as the motion

the same direction as the applied force

How can you use Newton’s first law to stop your skateboard?

Once the skateboard starts moving, it would keep moving at the same speed and in the same direction if not for another unbalanced force. That force is friction between the skateboard and the pavement. The force of friction is unbalanced because you are no longer pushing with your foot to keep the skateboard moving. That’s why the skateboard stops.

Once the skateboard starts moving, it would keep moving at the same speed and in the same direction if not for another unbalanced force. That force is gravity between the skateboard and the pavement. The force of gravity is unbalanced because you are no longer pushing with your foot to keep the skateboard moving. That’s why the skateboard stops.

Newton's First Law

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS2-2, 3-PS2-1, HS-PS2-1

+2

Standards-aligned

Latisha King

Used 1K+ times

FREE Resource

27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The law of inertia (Newton’s First Law) applies

to both moving and nonmoving objects

only to moving objects

only to objects that are not moving

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

An object in motion tends to stay in motion unless an ___ force acts on it.

unbalanced

balanced

Tags

NGSS.MS-PS2-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the net force on an object?

the sum of all the forces on an object

the negative forces on an object

Tags

NGSS.MS-PS2-2

4.

MULTIPLE CHOICE QUESTION

20 sec • 12 pts

Find the net force: 15 N to the right, and another 15 newtons to the right.

0 N Right

0 N Left

30 N Left

30 N Right

Tags

NGSS.MS-PS2-2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

8 N to the left , and 4 N to the right. Find the net force. Is this balanced?

12 N Right No

4 N Left No

12 N Right Yes

4 N Left Yes

Tags

NGSS.MS-PS2-2

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

You and your friend, are playing tug of war. Your friend pulls with a force of 55 N, to the rights. You pull with a force of 65 N, to the left. What is the net force on the rope?

10 n, to the left

20 N

10 N, to the left

10 N, to the right

Tags

NGSS.MS-PS2-2

7.

MULTIPLE CHOICE QUESTION

20 sec • 12 pts

Which one is balanced?

top

bottom

both

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

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Newton's First Law

27 questions

The law of inertia (Newton’s First Law) applies

An object in motion tends to stay in motion unless an ___ force acts on it.

What is the net force on an object?

Find the net force: 15 N to the right, and another 15 newtons to the right.

8 N to the left , and 4 N to the right. Find the net force. Is this balanced?

You and your friend, are playing tug of war. Your friend pulls with a force of 55 N, to the rights. You pull with a force of 65 N, to the left. What is the net force on the rope?

Which one is balanced?

What is the net force?

The ______of an object tends to make the object resist being set into motion.

Without a force to stop or slow a coasting object, the object will coast forever in a ______ line.

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