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 rough sur-faces the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor is rough, the wall is smooth the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor is rough, the wall is smooth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A number of forces acting at a point will be in equilibrium if Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Two resolved parts in two directions at right angles are equal Their total sum is zero Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Two resolved parts in two directions at right angles are equal Their total sum is zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of force in S.I. units is watt dyne kilogram newton watt dyne kilogram newton ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In the equation of virtual work, following force is neglected reaction at a point or an axis, fixed in space, around which a body is con-strained to turn reaction of any smooth surface with which the body is in contact All of the listed here reaction of a rough surface of a body which rolls on it without slipping reaction at a point or an axis, fixed in space, around which a body is con-strained to turn reaction of any smooth surface with which the body is in contact All of the listed here reaction of a rough surface of a body which rolls on it without slipping ANSWER DOWNLOAD EXAMIANS APP
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