Strength of Materials The unit of work or energy in S.I. units is joule newton pascal watt joule newton pascal watt 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 20 kg, + ve sense 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The product of either force of couple with the arm of the couple is called moment of the forces resulting couple moment of the couple resultant couple moment of the forces resulting couple moment of the couple resultant couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the the friction force acting when the body is just about to move ratio of limiting friction and normal reaction the friction force acting when the body is in motion angle between normal reaction and the resultant of normal reaction and the limiting friction the friction force acting when the body is just about to move ratio of limiting friction and normal reaction 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=""> Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The necessary condition for forces to be in equilibrium is that these should be Coplanar & Meet at one point All be equal Coplanar Meet at one point Coplanar & Meet at one point All be equal Coplanar Meet at one point ANSWER DOWNLOAD EXAMIANS APP
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