set 5 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following statements :

1. A body can have constant velocity and still have varying speed.
2. A body falls freely from a height with uniform acceleration.

a) 1 and 2 both

b) 1 only

c) 2 only

d) None

Question : 2

Statement A :
While walking on ice, one should take small steps to avoid slipping.
Statement B :
This is because smaller steps ensure smaller friction.

a) Both statements are correct.

b) Statement B is correct.

c) Statement A is correct.

d) Both statements are incorrect.

Question : 3

Dimensions of impulse are

a) [MT^–2]

b) [MLT² ]

c) [MLT^–1]

d) [ML^–1T^–3]

Question : 4

A man is at rest in the middle of a horizontal plane of perfectly smooth surface of ice. He can move himself to the shore by making use of Newton’s

a) third law of motion

b) second law of motion

c) first law of motion

d) first, second and third laws of motion

Question : 5

SI unit of pressure is

a) pascal

b) bar

c) atmosphere

d) mm of Hg

Question : 6

Match the Column I and Column II.

a) A-Q; B-P; C-T; D-S; E-R

b) A-Q; B-P; C-T; D-T; E-S

c) A-P; B-Q; C-T; D-R; E-S

d) A-Q; B-P; C-T; D-R; E-S