Strength of Materials The unit of work or energy in S.I. units is watt pascal newton joule watt pascal newton joule ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will remain horizontal slant up towards direction of pull unpredictable slant down towards direction of pull remain horizontal slant up towards direction of pull unpredictable slant down towards direction of pull ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A pair of smith’s tongs is an example of the lever of second order zeioth order first order third order second order zeioth order first order third order ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Limiting force of friction is the Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction the friction force acting when the body is in motion The friction force acting when the body is just about to move Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction the friction force acting when the body is in motion The friction force acting when the body is just about to move ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 10 kg, – ve sense 10 kg, + ve sense 20 kg, – ve sense 20 kg, + ve sense 10 kg, – ve sense 10 kg, + ve sense 20 kg, – ve sense 20 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to force of attraction experienced by par-ticles centripetal force of earth gravitational pull exerted by the earth gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles centripetal force of earth gravitational pull exerted by the earth gravitational force of attraction towards the centre of the earth. ANSWER DOWNLOAD EXAMIANS APP
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