Class 9 Courses

Class 9 physics Practice Tests

Class 9 Physics Online Tests

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The Physics classroom Multiple Choice Questions (MCQ Quiz) with Answers PDF (Physics Classroom MCQ PDF e-Book) download to practice Grade 9 Physics Tests. Study Dynamics Multiple Choice Questions and Answers (MCQs), Physics Classroom quiz answers PDF to learn online schools courses. The Physics Classroom MCQ App Download: Free learning app for physics classroom, force inertia and momentum, uniform circular motion test prep for distance education.

The MCQ: Two masses 7.5 kg and 6.7 kg are attached to the ends of an inextensible string passes over a frictionless pulley. Its tension when both masses are moving vertically will be equal to; "Physics Classroom" App Download (Free) with answers: 50 N; 70.7 N; 65.6 N; 45 N; to learn online schools courses. Solve Dynamics Quiz Questions, download Apple eBook (Free Sample) for distance learning.

## Physics Classroom MCQs: Questions and Answers

MCQ 1:

To every action, there is always an equal but opposite reaction, this statement is known as

1. newton's 2nd law of motion
2. newton's 1st law of motion
3. newton's 3rd law of motion
4. law of momentum
MCQ 2:

Two masses 7.5 kg and 6.7 kg are attached to the ends of an inextensible string passes over a frictionless pulley. Its tension when both masses are moving vertically will be equal to

1. 50 N
2. 70.7 N
3. 65.6 N
4. 45 N
MCQ 3:

When donkey pulls a cart, the action is on the

1. cart
2. donkey
3. earth
4. earth and cart
MCQ 4:

Two masses 4.5 kg and 3.8 kg are attached to the ends of an inextensible string passes over a frictionless pulley. Its acceleration when both masses are moving vertically will be equal to

1. 0.8 ms−2
2. 0.5 ms−2
3. 2 ms−2
4. 1.5 ms−2
MCQ 5:

When a force acts on a body, it produces an acceleration in the body and will be equal to the rate of change of

1. velocity of the body
2. displacement of the body
3. inertia of the body
4. momentum of the body