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Mechanics - Mass & Weight MCQs

Practice important Mechanics - Mass & Weight MCQs with answers, explanations, theory links, and exam-focused preparation.

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Mechanics - Mass & Weight

Mechanics - Mass & Weight MCQs With Answers

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CSS - PMS - CCE - PCS - General Science Mechanics - Mass & Weight
Would a person's mass change on the Moon?
A. Yes, it becomes zero
B. Only if wearing a suit
C. Yes, it doubles
D. No
Correct Answer: D
Mass remains essentially the same, while weight decreases because lunar gravity is weaker.
CSS - PMS - CCE - PCS - General Science Mechanics - Mass & Weight
Which formula relates weight W, mass m and gravitational acceleration g?
A. W = m/g
B. W = mg
C. W = mv
D. W = ma²
Correct Answer: B
Weight equals mass times gravitational field acceleration.
CSS - PMS - CCE - PCS - General Science Mechanics - Mass & Weight
What is the SI unit of weight?
A. Kilogram
B. Second
C. Meter
D. Newton
Correct Answer: D
Weight is a force, so it is measured in newtons.
CSS - PMS - CCE - PCS - General Science Mechanics - Mass & Weight
What is the SI unit of mass?
A. Kilogram
B. Watt
C. Joule
D. Newton
Correct Answer: A
Mass is measured in kilograms.
CSS - PMS - CCE - PCS - General Science Mechanics - Mass & Weight
What is weight?
A. Gravitational force acting on an object
B. Density
C. Amount of matter
D. Momentum
Correct Answer: A
Weight depends on local gravitational field strength.
CSS - PMS - CCE - PCS - General Science Mechanics - Mass & Weight
What is mass?
A. Gravitational force on an object
B. Measure of the amount of matter and inertia of an object
C. Speed of an object
D. Volume only
Correct Answer: B
Mass is intrinsic and is measured in kilograms.
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