Strength of Materials The coefficient of friction depends on strength of surfaces area of contact nature of surface shape of surfaces strength of surfaces area of contact nature of surface shape of surfaces 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 25 50 250 100 25 50 250 100 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A force is completely defined when we specify magnitude direction point of application All of the listed here magnitude direction point of application All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Kinetic friction is the The friction force acting when the body is in motion Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is in motion Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction 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 10 kg, – ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A force acting on a body may change its motion All of the listed here retard its motion introduce internal stresses change its motion All of the listed here retard its motion introduce internal stresses ANSWER DOWNLOAD EXAMIANS APP
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