Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is independent of the area of contact surfaces proportional to normal load between the surfaces proportional to velocity of sliding dependent on the materials of contact surface independent of the area of contact surfaces proportional to normal load between the surfaces proportional to velocity of sliding dependent on the materials of contact surface ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials When trying to turn a key into a lock, following is applied couple moment coplanar force non-coplanar forces couple moment coplanar force non-coplanar forces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. centripetal force of earth gravitational pull exerted by the earth force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. centripetal force of earth gravitational pull exerted by the earth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to Wan(a-) Wtan(a + <|)) W W sin (a + $) Wan(a-) Wtan(a + <|)) W W sin (a + $) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be 3r/2 2r/3 r/2 r/A 3r/2 2r/3 r/2 r/A ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be Zero Maximum Minimum Infinity Zero Maximum Minimum Infinity ANSWER DOWNLOAD EXAMIANS APP
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