Forces Quiz Questions and Answers PDF - 77

MCQ 381: The push experienced when two objects are pressed together is known as

1. friction
2. tension
3. weight
4. contact force

MCQ 382: If the acceleration of a free fall on the Moon is 1.6 ms^-2 and on Earth is 10 ms^-2. A rock has a mass of 10 kg on Earth. Its weight on Earth will be

1. 16 N
2. 100 N
3. 32 N
4. 50 N

MCQ 383: The Si unit of pressure is

1. N m^-3 or Pa
2. N m^-2 or Pa
3. N m^-1 or Pa
4. N m or Pa

MCQ 384: Action and reaction forces act on

1. different bodies
2. same bodies
3. huge bodies only
4. small bodies only

MCQ 385: The force acting over a smaller area exerts

1. more pressure
2. less pressure
3. no pressure
4. upward pressure