Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 2 and V6 2 and 5 3 and 1 kg V5 and V5 2 and V6 2 and 5 3 and 1 kg V5 and V5 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/% 0.134 r r/A r/2 r/% 0.134 r r/A r/2 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 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following do not have identical dimensions? Momentum and impulse Torque and energy Moment of a force and angular momentum Torque and work Momentum and impulse Torque and energy Moment of a force and angular momentum Torque and work ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body cannot balance each other balance each other produce moment of a couple are equivalent cannot balance each other balance each other produce moment of a couple are equivalent 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=""> Wtan(a-<)>) Wtan(a + <)>) Wsin(a + <(>) Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) Wsin(a + <(>) Wcos(a + ) ANSWER DOWNLOAD EXAMIANS APP