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 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A number of forces acting at a point will be in equilibrium if Two resolved parts in two directions at right angles are equal Sum of resolved parts in any two perpendicular directions are both zero Their total sum is zero All of them are inclined equally Two resolved parts in two directions at right angles are equal Sum of resolved parts in any two perpendicular directions are both zero Their total sum is zero All of them are inclined equally ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following do not have identical dimensions? Torque and work Moment of a force and angular momentum Momentum and impulse Torque and energy Torque and work Moment of a force and angular momentum Momentum and impulse Torque and energy ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if 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 the floor is smooth, the wall is rough the floor and wall both are rough sur-faces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate 1.0 cm 0.5 cm 2.5 cm 1.5 cm 1.0 cm 0.5 cm 2.5 cm 1.5 cm 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 couple moment of the forces resulting couple resultant couple moment of the couple moment of the forces resulting couple resultant couple ANSWER DOWNLOAD EXAMIANS APP