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 A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to 50 100 250 25 50 100 250 25 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of energy watt hours kcal wattr kg m watt hours kcal wattr kg m ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following do not have identical dimensions? Momentum and impulse Moment of a force and angular momentum Torque and work Torque and energy Momentum and impulse Moment of a force and angular momentum Torque and work Torque and energy ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called coplanar when all of them acting on body lie in one point one plane perpendicular planes different planes one point one plane perpendicular planes different planes 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 balance of force resolution of forces. forces independence of forces balance of force resolution of forces. forces independence of forces ANSWER DOWNLOAD EXAMIANS APP
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