Physics questions and answers

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.

1,841.

The term rectilinear acceleration means the rate of increase of

A.

velocity along a circular path in a unit time

B.

distance along a rectangular path in a unit time

C.

displacement along a straight-line path in a unit time

D.

velocity along a straight-line path in a unit time

Correct answer is D

No explanation has been provided for this answer.

1,842.

An object of mass 2 kg moves with a uniform speed of 10ms-1 for 5s along an straight path. Determine the magnitude of its acceleration

A.

0 ms-2

B.

1 ms-2

C.

3 ms-2

D.

4 ms-2

Correct answer is A

a = \(\frac{v - u}{t} = \frac{10 - 10}{5} = 0\)m/s

1,843.

A body moving at a constant speed accelerates when it is in

A.

rectilinear motion

B.

translational motion

C.

circular motion

D.

vibrational motion

Correct answer is A

No explanation has been provided for this answer.

1,845.

Which of the following statements about solid friction are correct? It

i. is a force
ii. occurs between the surfaces of two bodies in contact
iii. depends on the area in contact

A.

i and ii only

B.

i and iii only

C.

ii and iii only

D.

i, ii and iii

Correct answer is A

No explanation has been provided for this answer.