Forces and Motion Multiple Choice Questions (MCQ) PDF - 32

MCQ 156: A person of mass 50 kg flies to moon, his weight at the moon would be (earth's gravity = 10 m s^-2, moon's gravity = 1.6 m s^-2)

1. 31.25 N
2. 500 N
3. 51.6 N
4. 80 N

MCQ 157: Diagram that shows magnitude and direction is termed as

1. Scalar diagram
2. Force diagram
3. Dimer diagram
4. Vector diagram

MCQ 158: While going through a heap of junk in her garage, Jackie found an uncalibrated mercury thermometer. After a few experiments, she succeeded in calibrating it. Her notes show that the ice point of the thermometer corresponds to 3 cm while the steam point corresponds to 30 cm of mercury. If Jackie's calculations are fine, then length = 15 cm would correspond to

1. 46 °C
2. 44 °C
3. 42 °C
4. 40 °C

MCQ 159: In the process of melting, thermal energy is

1. taken in
2. given out
3. neither given out nor taken in
4. thermal energy isn't needed

MCQ 160: Kinetic component of internal energy is due to

1. the vibration of matter
2. the intermolecular forces
3. the collision of particles
4. the vibration of particles