1000+ Applied Mechanics & Design Questions for Gate Exams - 2

Question: 6

In simple harmonic motion, acceleration of a particle is proportional to

(A) direction

(B) velocity

(C) displacement

(D) rate of change of velocity

Question: 7

The apparent weight of a man in a moving lift is less than his real weight when it is going down with

(A) retardation

(B) linear momentum

(C) uniform speed

(D) an acceleration

Question: 8

Energy may be defined as

(A) capacity of doing work

(B) rate of doing work

(C) power of doing work

(D) all the above

Question: 9

The unit of force in C.G.S. system of units is called

(A) kg

(B) dyne

(C) newton

(D) all the above

Question: 10

A point subjected to a number of forces will be in equilibrium, if

(A) algebraic sum of the moments of the forces about the point is zero

(B) two resolved parts in any two directions at right angles are equal

(C) algebraic sum of the forces is zero

(D) sum of resolved parts in any two directions at right angles, are both zero