Engineering Mechanics The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is 2mr²/5 mr² mr²/2 2mr²/3 2mr²/5 mr² mr²/2 2mr²/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? A force acting in the opposite direction to the motion of the body is called force of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied A machine whose efficiency is 100% is known as an ideal machine The ratio of the limiting friction to the normal reaction is called coefficient of friction A force acting in the opposite direction to the motion of the body is called force of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied A machine whose efficiency is 100% is known as an ideal machine The ratio of the limiting friction to the normal reaction is called coefficient of friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (1/3) Ml² (2/3) Ml² (3/4) Ml² (1/12) Ml² (1/3) Ml² (2/3) Ml² (3/4) Ml² (1/12) Ml² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a particle moving with simple harmonic motion, at any instant is given by ω2.y ω2/y ω.y ω3.y ω2.y ω2/y ω.y ω3.y ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The static friction All of these Is independent of the area of contact, between the two surfaces Always acts in a direction, opposite to that in which the body tends to move Bears a constant ratio to the normal reaction between the two surfaces All of these Is independent of the area of contact, between the two surfaces Always acts in a direction, opposite to that in which the body tends to move Bears a constant ratio to the normal reaction between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force. Greater than Equal to Less than None of these Greater than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
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