A. zero

**B. maximum**

C. minimum

D. unpredictable

# Applied Mechanics and Graphic Statics

## The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be___________________?

**A. 0.1 rad/sec**

B. 1 rad/sec

C. 10 rad/sec

D. 100 rad/sec

## Impulse can be obtained from a_________________?

A. force-displacement diagram

**B. force-time diagram**

C. velocity-time diagram

D. velocity-displacement diagram

## A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is___________________?

A. 1/3

B. 2/3

C. 1/9

**D. 8/9**

## Joule is the unit of__________________?

A. power

B. impulse

**C. work**

D. momentum

## One Joule is equivalent to________________?

A. 9.81 Newton – metre

**B. 1 Newton – metre**

C. 1 kg wt – metre

D. 1 dyne – metre

## A ladder of weight ‘w’ rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight ‘w’ is to walk to the top of it safely, is tan’1 x, where x is___________________?

A. 1/4

**B. 1/3**

C. 3

D. 4

## If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then___________________?

**1) a force is required to move the body upwards
2) a force is required to move the body downward
3) the body will not be in equilibrium**

The correct answer is?

A. only (1)

B. only (2)

**C. both (1) and (2)**

D. both (1) and (3)

## The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at_____________________?

**A. supports**

B. quarter span

C. mid span

D. none of the above

## The unit of rotational inertia of a body in C.G.S system is________________?

A. cm4

B. kg-cm2

**C. gm-cm2**

D. gm-cm3