Strength of Materials Coefficient of friction is the ratio of limiting friction and normal reaction the friction force acting when the body is just about to move the friction force acting when the body is in motion angle between normal reaction and the resultant of normal reaction and the limiting friction ratio of limiting friction and normal reaction the friction force acting when the body is just about to move the friction force acting when the body is in motion angle between normal reaction and the resultant of normal reaction and the limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wsin(a + <(>) Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) Wsin(a + <(>) Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles gravitational pull exerted by the earth centripetal force of earth gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles gravitational pull exerted by the earth centripetal force of earth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of r/2 r/% 0.134 r r/A r/2 r/% 0.134 r r/A ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a right circular solid cone of height h lies at the following distance from the base h/6 J/3 h/4 h/2 h/6 J/3 h/4 h/2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called concurrent when their lines of action meet in one point perpendicular planes plane two points one point perpendicular planes plane two points ANSWER DOWNLOAD EXAMIANS APP
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