9th Class Physics Chapter 5 MCQs with Answers

AdminMarch 2, 2024

0 18 1 minute read

Welcome to the 9th Class Physics Chapter 5 MCQs Practice and Quiz Tests. We are presenting you with top MCQ questions from the 9th Class Physics Chapter 5 Turning Effects of Force.

You can find all the 9th Class Physics Chapter 5 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your Matriculation Exams. We are making these Class 9 Physics MCQs online tests for those who want full marks in their exams.

9th Class Multiple Choice Question Chapter 5 with Answers Free PDF

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Grade 9 Physics Chapter 5 Online Quiz

By presenting 3 options to choose from, 9th Class Chapter 5 Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of 9th Class Questions and Answers and click over the correct answer.

Test Name: 9th Class Chapter 5 Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure high marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply comment below this post, so that we can update the answer in the quiz section.

9th Class Physics Chapter 5: Turning Effects of Force

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1 / 40

Which of the following statements about torque is true?

It depends on the speed of rotation

It only affects linear motion

It causes rotational motion

2 / 40

A force of 20 N is applied at a distance of 2 meters from the axis of rotation. What is the torque produced?

40 Nm

30 Nm

10 Nm

3 / 40

Torque is a vector quantity because it has both magnitude and _____.

Weight

Speed

Direction

4 / 40

The moment arm is the _____ from the axis of rotation to the point where the force is applied.

Perpendicular distance

Vertical distance

Horizontal distance

5 / 40

The torque required to produce an angular acceleration of 1 rad/s² in an object with a moment of inertia of 2 kgm² is _____ Nm.

0.5

6 / 40

Which of the following factors affects the torque produced by a force?

Temperature

Color of the object

Magnitude of force

7 / 40

The SI unit of distance is the _____.

Kilogram (kg)

Meter (m)

Second (s)

8 / 40

The turning effect of force is also known as _____.

Acceleration

Torque

Speed

9 / 40

Which of the following statements about torque is true?

It only affects linear motion

It causes rotational motion

It depends on the speed of rotation

10 / 40

Torque is also known as the ____ of force.

Weight

Moment

Speed

11 / 40

Torque is a vector quantity because it has both magnitude and _____.

Direction

Weight

Speed

12 / 40

Which of the following is a unit of torque?

Joule (J)

Watt (W)

Newton meter (Nm)

13 / 40

The torque required to produce an angular acceleration of 1 rad/s² in an object with a moment of inertia of 2 kgm² is _____ Nm.

0.5

14 / 40

The turning effect of force depends on the _____ of the force and the distance from the axis of rotation.

Magnitude

Direction

Shape

15 / 40

The turning effect of a force is maximum when the force is applied at a _____ to the direction of the lever arm.

Perpendicular

Right angle

Parallel

16 / 40

The moment arm is the _____ from the axis of rotation to the point where the force is applied.

Horizontal distance

Vertical distance

Perpendicular distance

17 / 40

Torque is also known as _____.

Moment of force

Moment of inertia

Moment of velocity

18 / 40

Which of the following is a method to increase the torque produced by a force?

Change the color of the object

Increase the distance from the axis of rotation

Decrease the magnitude of the force

19 / 40

Torque is defined as the _____ applied to an object about a fixed axis.

Moment

Force

Velocity

20 / 40

Which of the following factors affects the torque produced by a force?

Magnitude of force

Temperature

Color of the object

21 / 40

A torque of 10 Nm is applied to a door with a moment arm of 0.5 meters. What is the magnitude of the force applied?

5 N

15 N

20 N

22 / 40

A force of 20 N is applied at a distance of 2 meters from the axis of rotation. What is the torque produced?

40 Nm

10 Nm

30 Nm

23 / 40

If the magnitude of force acting on an object increases, the torque produced will _____.

Remain constant

Increase

Decrease

24 / 40

If the magnitude of force acting on an object increases, the torque produced will _____.

Increase

Remain constant

Decrease

25 / 40

The moment of a force is maximum when the force is applied _____ to the axis of rotation.

Perpendicular

Tangential

Parallel

26 / 40

The moment of a force depends on its magnitude and its _____.

Weight

Speed

Distance from the axis of rotation

27 / 40

The moment arm is the _____ from the axis of rotation to the point where the force is applied.

Perpendicular distance

Vertical distance

Horizontal distance

28 / 40

The moment arm of a force is the _____ from the axis of rotation to the line of action of the force.

Perpendicular distance

Vertical distance

Horizontal distance

29 / 40

The moment arm of a force is the _____ from the axis of rotation to the line of action of the force.

Horizontal distance

Vertical distance

Perpendicular distance

30 / 40

The SI unit of torque is the _____ meter (Nm).

Joule

Watt

Newton

31 / 40

The turning effect of a force is maximum when the force is applied at a _____ to the direction of the lever arm.

Parallel

Right angle

Perpendicular

32 / 40

The SI unit of torque is the _____ meter (Nm).

Joule

Newton

Watt

33 / 40

The turning effect of force is also known as _____.

Torque

Acceleration

Speed

34 / 40

Torque is also known as the ____ of force.

Speed

Moment

Weight

35 / 40

Which of the following statements about torque is true?

It causes rotational motion

It depends on the speed of rotation

It only affects linear motion

36 / 40

The moment of a force depends on its magnitude and its _____.

Speed

Weight

Distance from the axis of rotation

37 / 40

The moment of a force is maximum when the force is applied _____ to the axis of rotation.

Perpendicular

Parallel

Tangential

38 / 40

Which of the following is a method to increase the torque produced by a force?

Increase the distance from the axis of rotation

Decrease the magnitude of the force

Change the color of the object

39 / 40

A torque of 10 Nm is applied to a door with a moment arm of 0.5 meters. What is the magnitude of the force applied?

15 N

5 N

20 N

40 / 40

If the magnitude of force acting on an object increases, the torque produced will _____.

Increase

Remain constant

Decrease

Download Certificate of Quiz 9th Class Chapter 5

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AdminMarch 2, 2024

0 18 1 minute read