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 Which of the following do not have identical dimensions? Momentum and impulse Moment of a force and angular momentum Torque and energy Torque and work Momentum and impulse Moment of a force and angular momentum Torque and energy Torque and work ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called coplanar when all of them acting on body lie in one plane perpendicular planes one point different planes one plane perpendicular planes one point different planes 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 Dynamic friction as compared to static friction is more less same may be less of more depending on nature of surfaces and velocity more less same may be less of more depending on nature of surfaces and velocity ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the angle between normal reaction and the resultant of normal reaction and the limiting friction the friction force acting when the body is in motion the friction force acting when the body is just about to move ratio of limiting friction and normal reaction angle between normal reaction and the resultant of normal reaction and the limiting friction the friction force acting when the body is in motion the friction force acting when the body is just about to move ratio of limiting friction and normal reaction ANSWER DOWNLOAD EXAMIANS APP