101. On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force
102. The condition of equilibrium for any system of forces in a plane is
103. The force acting on a point on the surface of a rigid body may be considered to act
104. A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?
i. 1.0 in from the wall
ii. 1.732 m from the wall
iii. 1.0 m above the floor
iv. 1.732 m above the floor
The correct answer is
i. 1.0 in from the wall
ii. 1.732 m from the wall
iii. 1.0 m above the floor
iv. 1.732 m above the floor
The correct answer is
105. If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then
i. a force is required to move the body upwards
ii. a force is required to move the body downward
iii. the body will not be in equilibrium
The correct answer is
i. a force is required to move the body upwards
ii. a force is required to move the body downward
iii. the body will not be in equilibrium
The correct answer is
106. The torque produced by a force depends on
i. the magnitude of the force
ii. the direction of the force
iii. the point of application of the force relative to origin
The correct answer is
i. the magnitude of the force
ii. the direction of the force
iii. the point of application of the force relative to origin
The correct answer is
107. Select the correct statement
108. The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then,
109. Power developed by a torque, is
110. The shape of a suspended cable for a uniformly distributed load over it is
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