## Applied Mechanics and Graphic Statics The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known

None of these
Rolling friction
Sliding friction
Limiting friction

b⁴/12
b⁴/3
b³/4
b⁴/8

## Applied Mechanics and Graphic Statics The torque produced by a force depends oni. the magnitude of the forceii. the direction of the forceiii. the point of application of the force relative to originThe correct answer is

only (i)
all (i), (ii) and (iii)
both (i) and (ii)
both (i) and (iii)

## Applied Mechanics and Graphic Statics ‘u₁’ and ‘u₂’ are the velocities of approach of two moving bodies in the same direction and their corresponding velocities of separation are ‘v₁’ and ‘v₂’. As per Newton's law of collision of elastic bodies, the coefficient of restitution (e) is given by

e = v₂ - v₁/u₁ - u₂
e = v₁ - v₂/u₂ + u₁
e = v₁ - v₂/u₂ - u₁
e = u₂ - u₁/v₁ - v₂

## Applied Mechanics and Graphic Statics The tension in a cable supporting a lift

Is more when the lift is moving downwards
Remains constant whether its moves downwards or upwards
Is less when the lift is moving downwards
Is less when the lift is moving upwards

8.75 cm
7.85 cm
7.5 cm
5.0 cm