Strength of Materials Dynamic friction as compared to static friction is 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 more less same 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 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 The unit of force in S.I. units is newton dyne kilogram watt newton dyne kilogram watt ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Limiting force of friction is the Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move the friction force acting when the body is in motion Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move the friction force acting when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal metal is twice as dense as unknown fluid density of metal can’t be determined metal will float in water metal is twice as dense as water metal is twice as dense as unknown fluid density of metal can’t be determined metal will float in water metal is twice as dense as water ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not a vector quantity velocity force acceleration weight velocity force acceleration weight ANSWER DOWNLOAD EXAMIANS APP
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