Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor is smooth, the wall is rough the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is rough, the wall is smooth the floor is smooth, the wall is rough the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is rough, the wall is smooth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The coefficient of friction depends on area of contact strength of surfaces shape of surfaces nature of surface area of contact strength of surfaces shape of surfaces nature of surface 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 product of either force of couple with the arm of the couple is called moment of the forces resulting couple moment of the couple resultant couple moment of the forces resulting couple moment of the couple resultant couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not a scalar quantity acceleration volume mass density acceleration volume mass density ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Limiting force of friction is the Ratio of limiting friction and normal reaction 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 The friction force acting when the body is just about to move Ratio of limiting friction and normal reaction 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 The friction force acting when the body is just about to move ANSWER DOWNLOAD EXAMIANS APP
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