Question 1

Moment of inertia of an area is always least with respect to

Accepted Answer

centroidal axis

Answer

depends upon shape of area

Answer

radius of gyration

Answer

vertical axis

Question 2

A stone is whirled in a vertical circle. The tension in the string would be greatest when the stone is

Accepted Answer

in the lowest position

Answer

in a position in it is horizontal

Answer

in the highest position

Answer

tension remains the same in all the positions

Question 3

A particle is moving along a circular path with uniform speed. The force acting on the particle is

Accepted Answer

constant in magnitude only

Answer

constant both in magnitude and direction

Answer

zero

Answer

continuosly varying in magnitude and direction

Question 4

A smooth surface lying on a concave surface remains in _____ equilibrium

Accepted Answer

stable

Answer

unstable

Answer

neutral

Answer

none of the given

Question 5

A body acted upon by 3 forces is in equilibrium when

Accepted Answer

the forces are both coplanar and concurrent

Answer

forces are equal

Answer

forces are concurrent

Answer

forces are coplanar

Question 6

The angle between two forces when the resultant is maximum and minimum respectively are

Accepted Answer

0 and 180

Answer

0 and 90

Answer

90 and 0

Answer

180 and 0

Question 7

Which of the following statement is correct?

Accepted Answer

All of the given statements are correct

Answer

A force can be replaced by an equivalent system consisting of a force and a couple

Answer

Algebraic sum of the forces, constituting a couple is zero

Answer

Algebraic sum of the moments of the forces constituting the couple about any point is the same

Question 8

Which of the following physical quantities is not a vector

Accepted Answer

Mass

Answer

Impulse

Answer

Momentum

Answer

Acceleration

Question 9

Identify the pair which has the same dimensions

Accepted Answer

work and energy

Answer

momentum and energy

Answer

energy and power

Answer

force and power

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