Physics Classroom Multiple Choice Questions with Answers – PDF Download

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