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.

1,671.

The average speed of an object is determined by dividing the sum of its initial and final speeds by two only when the acceleration is

A.

changing

B.

uniform

C.

increasing

D.

decreasing

Correct answer is B

No explanation has been provided for this answer.

1,673.

Which of the following statements about moving particle is correct?

A.

if the resultant force acting on the particle is zero, then it is in dynamic equillibrium

B.

If the resultant force acting on the acting on the particle is greater than zero, then it is moving with a uniform velocity

C.

the rate of change of its momentum with time tales place in a direction opposite to that of its motion

D.

the particle falling freely covers equal distances in equal time interval

Correct answer is D

No explanation has been provided for this answer.

1,674.

Which of the following statements about static friction is correct? It

A.

is independent of the nature of the surface in contact

B.

depends on the area of surface in contact

C.

depends on the relative motion between the surface in contact

D.

depends on the weight of the moving body

Correct answer is C

No explanation has been provided for this answer.

1,675.

The types of motion which a cylindrical drum rolling down an inclined plane undergoes are

A.

circular and translational

B.

rotational and translational

C.

rotational and circular

D.

rectilinear and circular

Correct answer is B

No explanation has been provided for this answer.