1000+ Applied Mechanics Viva Questions and Answers Pdf - 1

Question: 1

The product of mass and velocity of a moving a body is called

(A) impulse

(B) power

(C) moment

(D) momentum

Question: 2

A retarding force on a body does not

(A) introduce the motion of the body

(B) retard the motion of the body

(C) change the motion of the body

(D) none of these

Question: 3

The resolved part of the resultant of two forces inclined at an angle θ in a given direction is

(A) arithmetical sum of the resolved parts of the forces in the direction

(B) algebraic sum of the resolved parts of the forces in the direction

(C) sum of the forces multiplied by the sine θ

(D) difference of the forces multiplied by cosine θ

Question: 4

The units of inertia of mass, are

(A) kg/m

(B) kg/m²

(C) kg-m²

(D) m⁴

Question: 5

Kinetic friction may be defined as

(A) friction force acting when the body is just about to move

(B) ratio of limiting friction and normal reaction

(C) angle between normal reaction and resultant of normal reaction and limiting friction

(D) friction force acting when the body is in motion