Physics Questions and Answers

If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.

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3,506.

Which of the following has the same unit as the moment of a force?

Force

Power

Work

Momentum

Impulse

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

3,507.

A body accelerates uniformly from rest at the rate of 3 m/s\(^2\) for 8 seconds. Calculate the distance covered by the body during the acceleration?

12m

24m

48m

72m

96m

View answer & explanation

Correct answer is E

S = \(\frac{3 \times 8^2}{2}\)
S = 96m

3,508.

Which of the following statements about solid friction is/are correct?

I. Friction depends on the nature of the surfaces in contact
II. Friction depends on the area of contact
III. Friction always acts in the direction of motion.

I only

II only

III only

I and II only

I, II and III

View answer & explanation

Correct answer is A

No explanation has been provided for this answer.

3,509.

What change in velocity would be produced on a body of mass 4kg if a constant force of 16 N acts on it for2 s?

0.5 ms^-1

2.0ms^-1