Class 9 Physics Certification MCQs – Practice Test 3 (Chapter 1)

Dynamics Quiz with Answers PDF Download – Test 3

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Free Dynamics Quiz App Download (iOS & Android): "Acceleration that is produced by a 15N force in a mass of 8 kg will be equal to"; MCQ with answers: 1.87 ms⁻², 1.5 ms⁻², 2.35 ms⁻², and 2 ms^&minus2. Study Newton's Laws of Motion MCQ Questions, download Google Book (Free Chapter) to improve test preparation.

Dynamics Quiz – Practice Test 3 PDF Download

MCQ 11: The acceleration that is produced by a 15N force in a mass of 8 kg will be equal to:

1.5 ms⁻²
1.87 ms⁻²
2.35 ms⁻²
2 ms⁻²

MCQ 12: When a net force act on a body, it produces acceleration in the body in the direction of the net force which is directly proportional to the net force acting on the body and inversely proportional to its mass. This statement is called:

newton's 2nd law of motion
newton's 1st law of motion
newton's 3rd law of motion
law of momentum

MCQ 13: A body of mass 10 kg is moving with the velocity of 15 ms⁻¹. The force required to stop it in 3 seconds should be:

50 Ns
100 Ns
75 Ns
170 Ns

MCQ 14: A bullet of mass 30 g is fired from a gun with a muzzle velocity 90ms⁻¹. If its mass is 4 kg then the recoil of the gun will be:

− 0.34 ms⁻¹
0.54 ms⁻¹
− 0.54 ms⁻¹
0.34 ms⁻¹

MCQ 15: The acceleration produced in an 8 kg mass when a force acts on a body of 5 kg produces an acceleration of 10 ms^-2 is:

6.25 ms^-2
6.25 ms^-1
5 ms^-2
4 ms^-2

Class 9 Physics Quiz App & e-Book – Dynamics Certification Guide

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