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Mechanics - Acceleration MCQs

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Mechanics - Acceleration

Mechanics - Acceleration MCQs With Answers

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CSS - PMS - CCE - PCS - General Science Mechanics - Acceleration
What is negative acceleration often called when it reduces speed along the chosen positive direction?
A. Velocity
B. Momentum
C. Power
D. Deceleration
Correct Answer: D
Deceleration is informal terminology for acceleration opposite the direction of motion.
CSS - PMS - CCE - PCS - General Science Mechanics - Acceleration
What is the approximate acceleration due to gravity near Earth's surface?
A. 9.8 m/s²
B. 0 m/s²
C. 98 m/s²
D. 1 m/s²
Correct Answer: A
Near Earth's surface, g is about 9.8 m/s² downward.
CSS - PMS - CCE - PCS - General Science Mechanics - Acceleration
Can an object moving at constant speed have acceleration?
A. Only if mass changes
B. No, never
C. Only at rest
D. Yes, if its direction changes
Correct Answer: D
Velocity includes direction, so uniform circular motion has acceleration.
CSS - PMS - CCE - PCS - General Science Mechanics - Acceleration
Which formula gives average acceleration?
A. a = F×m
B. a = P/t
C. a = Δv/Δt
D. a = d/t
Correct Answer: C
Average acceleration equals change in velocity divided by time interval.
CSS - PMS - CCE - PCS - General Science Mechanics - Acceleration
What is the SI unit of acceleration?
A. m/s
B. N
C. J
D. m/s²
Correct Answer: D
Acceleration is velocity change per second.
CSS - PMS - CCE - PCS - General Science Mechanics - Acceleration
What is acceleration?
A. Rate of change of mass
B. Distance divided by mass
C. Force per unit area
D. Rate of change of velocity with time
Correct Answer: D
Acceleration describes how velocity changes.
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