A force is anything that acting on another object.

A force can be balanced or unbalanced.

The classes are playing tug of war. Barsoum’s room pulls to the left with a force of 45 N. Coach Camacho's room pulls to the right with a force of 50 N. What is the net force? And who won?

5N right. Coach Comacho's Class won.

95N and Coach Comacho's class won.

FMA Triangle 1

Quiz

•

Science, Physics

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS2-2, MS-PS2-1, K-PS2-1

+1

Standards-aligned

Used 144+ times

FREE Resource

About this resource

This quiz focuses on Newton's Laws of Motion and force calculations, covering the fundamental principles of classical mechanics appropriate for 8th grade physical science students. The questions systematically assess students' understanding of all three of Newton's laws, with particular emphasis on applying Newton's Second Law (F = ma) through quantitative problem-solving. Students need to master the mathematical relationship between force, mass, and acceleration, perform unit conversions, and calculate net forces in opposing force scenarios. The conceptual questions require students to distinguish between balanced and unbalanced forces, understand inertia as described in Newton's First Law, and identify real-world examples of action-reaction pairs from Newton's Third Law. To succeed, students must demonstrate both computational skills with the force equation and conceptual understanding of how forces affect motion in everyday situations. This quiz was created by a classroom teacher who designed it for students studying forces and motion in grade 8. The assessment serves multiple instructional purposes, functioning effectively as a formative assessment tool to gauge student comprehension before summative testing, as homework practice to reinforce classroom learning, or as a warm-up activity to activate prior knowledge before advancing to more complex topics. Teachers can use this quiz to identify students who need additional support with either the mathematical applications or conceptual understanding of Newton's laws. The mixed format of computational problems and conceptual questions allows educators to differentiate instruction based on student performance patterns. This assessment aligns with NGSS standard MS-PS2-2, which requires students to plan investigations to provide evidence that the change in an object's motion depends on the sum of forces and the mass of the object.

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec²

102.04 n

9,800 n

980 n

103 n

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

100 m/s²

25,000 m/s²

10 m/s²

25 m/s²

Tags

NGSS.MS-PS2-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Newtons 1st law of motion states:

An object in motion will stay in motion and an object in rest will stay in rest unless acted upon by and unbalance force.

For every action there is an equal and opposite reaction.

Acceleration is produced when a force. acts on a mass.

The greater the mass the greater the amount of force needed to change its motion.

Tags

NGSS.MS-PS2-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A 50 kg skater pushed by a friend accelerates 5 m/sec². How much force did the friend apply?

45 N

15 N

10 N

250 N

Tags

NGSS.MS-PS2-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec². What is the mass of the object?

100kg

1,250kg

50kg

5kg

Tags

NGSS.MS-PS2-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which example below demonstrates Newton's third law of motion the best?

When a boxer lands a powerful hit on his or her opponent the opponent loses composure or can even get knocked down.

It takes more force for a boxer to knock out a larger opponent vs a smaller opponent.

Sometimes when a boxer is warming up by running but they can be slowed down if there is traffic in the road.

There are only two laws of motion.

Tags

NGSS.MS-PS2-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is an unbalance force?

A book sitting on a desk.

A ball moving in a constant speed in the same direction.

While doing a mannequin challenge Jose suddenly falls over when a bug lands on his nose.

Every student in class is sitting perfectly still at their desks.

Tags

NGSS.MS-PS2-2

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FMA Triangle 1

15 questions

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec²

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

Newtons 1st law of motion states:

A 50 kg skater pushed by a friend accelerates 5 m/sec². How much force did the friend apply?

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec². What is the mass of the object?

Which example below demonstrates Newton's third law of motion the best?

Which is an unbalance force?

You give a shopping cart a shove down the isle. The cart is full of groceries and has a mass of 18 kg. The cart accelerates at a rate of 3 m/s². How much force did you exert on the cart?

What is a force?

The classes are playing tug of war. Barsoum’s room pulls to the left with a force of 45 N. Coach Camacho's room pulls to the right with a force of 50 N. What is the net force? And who won?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

FMA Triangle 1

15 questions

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

Newtons 1st law of motion states:

A 50 kg skater pushed by a friend accelerates 5 m/sec2. How much force did the friend apply?

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?

Which example below demonstrates Newton's third law of motion the best?

Which is an unbalance force?

You give a shopping cart a shove down the isle. The cart is full of groceries and has a mass of 18 kg. The cart accelerates at a rate of 3 m/s2. How much force did you exert on the cart?

What is a force?

The classes are playing tug of war. Barsoum’s room pulls to the left with a force of 45 N. Coach Camacho's room pulls to the right with a force of 50 N. What is the net force? And who won?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec²

A 50 kg skater pushed by a friend accelerates 5 m/sec². How much force did the friend apply?

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec². What is the mass of the object?

You give a shopping cart a shove down the isle. The cart is full of groceries and has a mass of 18 kg. The cart accelerates at a rate of 3 m/s². How much force did you exert on the cart?