The tendency of an object to resist changes in velocity

The tendency of an object to resist changes in acceleration

The tendency of an object to change its acceleration

Objects in motion stay in motion, objects at rest stay at rest

Newton’s third law states: for every action, there is an equal and opposite reaction. Explain why, then, a cannon does not go as far as backward as a cannonball goes forward.

The cannonball has less mass, and mass and acceleration are inversely proportional

The cannon has less mass, and mass and acceleration are inversely proportional

The cannonball has less mass, and mass and acceleration are directly proportional

Newton's third law does not always apply

Many car passengers have suffered neck injuries when hit by cars from behind. How does Newton’s law of inertia explain this?

The inertia of the head causes it to remain in place, while the car and body move forward

The inertia of the car causes the head to jerk forward

The inertia of the head causes it to jerk forward, while the car remains in place

This has to do with Newton's second law, not first.

Forces Physics

Authored by Matthew Braxton

Physics

9th - 12th Grade

NGSS covered

Used 304+ times

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About

This physics quiz focuses on the fundamental principles of force and motion, specifically targeting Newton's three laws of motion, friction, and force analysis in various scenarios including inclined planes and equilibrium situations. The content is appropriate for high school physics students in grades 9-12, as it requires understanding of vector analysis, mathematical problem-solving with force calculations, and conceptual grasp of acceleration, mass, and force relationships. Students need to master key concepts including Newton's second law (F=ma), the inverse relationship between mass and acceleration, action-reaction pairs from Newton's third law, static and kinetic equilibrium, different types of friction, and the ability to analyze forces on inclined planes. The quiz also incorporates basic trigonometry applications and requires students to distinguish between weight, mass, normal force, and tension while applying appropriate mathematical formulas to solve quantitative problems involving force calculations. Created by Matthew Braxton, a Physics teacher in US who teaches grade 9-12. This comprehensive assessment serves multiple instructional purposes, functioning effectively as a formative assessment tool to gauge student understanding of foundational mechanics concepts, as homework practice to reinforce classroom learning, or as a review activity before unit examinations. The quiz's blend of conceptual questions and quantitative problem-solving makes it ideal for identifying specific areas where students need additional support, whether in mathematical applications or conceptual understanding of force relationships. Teachers can use this as a warm-up activity to activate prior knowledge or as targeted practice for students preparing for standardized assessments. The content aligns with Next Generation Science Standards HS-PS2-1 (analyzing data to support Newton's second law) and Common Core mathematical practices involving problem-solving and mathematical modeling, providing students with essential practice in both scientific reasoning and quantitative analysis skills necessary for advanced physics coursework.

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Student View

17 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to Newton's second law of motion, what is the relationship between acceleration and mass? Acceleration:

Is directly proportional to mass

Is inversely proportional to mass

Does not depend on mass

Is always divided by mass

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If an object has an normal force of 80N what is its mass?

8.15 kg

80 kg

784.8 N

not enough information

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A rock is falling towards the earth. The action and reaction pair is

The earth pulls the rock downward, the rock pushes the earth upward

The earth pushes the rock downward, the rock pushes the earth downward

The rock pulls the earth upward, the earth pushes the rock upward

The earth pulls the rock downward, the rock pulls the earth upward

Tags

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A 70 kg acrobat hangs from a bar, motionless, that is attached to the ceiling by two ropes. Find the tension in each rope.

70 N

686.7 N

343.35 kg

343.35 N

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A 80 kg skydiver is free falling at a constant velocity of 19 m/s. What is the net (total) force acting on her?

1,520 N

0 N

4.21 N

Not enough information to answer

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A 3 kg fish hangs from a fishing line, at rest. What is the tension in the string

3 N

29.43 N

29.43 kg

3.27 N

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When an object is on an inclined plane what is the force holding the object from sliding down?

gravity

normal

friction

applied force

Tags

NGSS.HS-PS2-4

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Forces Physics

According to Newton's second law of motion, what is the relationship between acceleration and mass? Acceleration:

If an object has an normal force of 80N what is its mass?

A rock is falling towards the earth. The action and reaction pair is

A 70 kg acrobat hangs from a bar, motionless, that is attached to the ceiling by two ropes. Find the tension in each rope.

A 80 kg skydiver is free falling at a constant velocity of 19 m/s. What is the net (total) force acting on her?

A 3 kg fish hangs from a fishing line, at rest. What is the tension in the string

When an object is on an inclined plane what is the force holding the object from sliding down?

A 400 kg car rests in the drive way. Calculate the normal force acting on the car?

Inertia is...

Newton’s third law states: for every action, there is an equal and opposite reaction. Explain why, then, a cannon does not go as far as backward as a cannonball goes forward.

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