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Physics multiple choice questions (MCQ): group of interacting bodies on which no external force is acting is known as with options iscolated system, sexasigmal system, sgs system and none of above, physics study guide quiz with online physics web portal for home school 9th grade physics students . Free physics study guide to learn physics study guide quiz to attempt multiple choice questions based test.

MCQ: A group of interacting bodies on which no external force is acting is known as

1. sexasigmal system
2. iscolated system
3. SGS system
4. none of above

B

MCQ: When we walk or run, to push ground backward we need

1. inertia
2. position
3. friction
4. velocity

C

MCQ: If pressing force on sliding surfaces is greater, then friction will be

1. small
2. constant
3. zero
4. greater

D

MCQ: A force of 15 N moves a body with an acceleration of 3 ms−2. Its mass is

1. 10 kg
2. 8 kg
3. 12 kg
4. 5 kg

D

MCQ: Law of inertia is also known as newton's

1. 1st law of motion
2. 2nd law of motion
3. 3rd law of motion
4. both A and B

A