Strength of Materials A pair of smith’s tongs is an example of the lever of first order second order zeioth order third order first order second order zeioth order third order 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 10 kg, – ve sense 20 kg, – ve sense 10 kg, + ve sense 20 kg, + ve sense 10 kg, – ve sense 20 kg, – ve sense 10 kg, + ve sense 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 + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following do not have identical dimensions? Moment of a force and angular momentum Momentum and impulse Torque and energy Torque and work Moment of a force and angular momentum Momentum and impulse Torque and energy Torque and work ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of resolution of forces. independence of forces balance of force forces resolution of forces. independence of forces balance of force forces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials When trying to turn a key into a lock, following is applied coplanar force non-coplanar forces couple moment coplanar force non-coplanar forces couple moment ANSWER DOWNLOAD EXAMIANS APP
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