Which expression states Newton’s second law in terms of momentum?
Correct answer C. F = Δp/Δt
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Force and Motion MCQs
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- Electromagnetic Induction 30
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A projectile launched at 30° has a certain range. At what other angle, with the same speed, will it have the same range?
Correct answer C. 60°
At what angle of projection is the horizontal range of an ideal projectile maximum for a given launch speed?
Correct answer D. 45°
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What is the velocity of an ideal projectile at the highest point of its path?
Correct answer C. v₀ cos θ, directed horizontally
For an ideal projectile (no air resistance), what happens to the horizontal component of velocity during flight?
Correct answer D. It remains constant
A displacement-time graph is a straight line parallel to the time axis. What is the state of the body?
Correct answer D. It is at rest
The velocity-time graph of a car is a curve whose slope keeps changing. What kind of acceleration does the car have?
Correct answer C. Variable acceleration
What does the slope of a displacement-time graph represent?
Correct answer A. Velocity
A body has uniform acceleration. What does this mean?
Correct answer B. Its velocity changes by equal amounts in equal intervals of time
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A runner completes one full lap of a circular track and returns to the starting point. What is the average velocity for the lap?
Correct answer D. Zero