Learn dynamics MCQs, grade 9 online physics test 5, newtons laws of motion multiple choice questions and answers. Newtons laws of motion revision test has physics worksheets, helping answer key with choices as -0.4 ms-1, 0.4 ms-1, 1 ms-1 and 2 ms-1 of multiple choice questions (MCQ) with newtons laws of motion quiz as if bullet of mass 20 g is fired from a gun of 5 kg with a velocity of 100 ms-1 then recoil of gun is for competitive exam prep, viva interview questions. Free physics study guide to practice newtons laws of motion quiz to attempt multiple choice questions based test.

MCQ. If the bullet of mass 20 g is fired from a gun of 5 kg with a velocity of 100 ms-1 then recoil of gun is

1. 0.4 ms-1
2. -0.4 ms-1
3. 1 ms-1
4. 2 ms-1

B

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

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

B

MCQ. The branch of mechanics that deals with the study of motion of an object and the cause of its motion is called

1. kinematics
2. dynamics
3. trinamics
4. friction

A

MCQ. The property due to which a body resists the change in its state is called

1. inertia
2. friction
3. force
4. none of above

A

MCQ. Mass does not change with change of place so it is a

1. vector quantity
2. scalar quantity
3. fixed quantity
4. variable quantity

B