A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if______________?

Related Mcqs:

A force acting on a body may_______________?

A. introduce internal stresses B. balance the other forces acting on it C. retard its motion D. change its motion E. all of the above...

When trying to turn a key into a lock, following is applied___________________?

A. coplanar force B. non-coplanar forces C. lever D. moment E. couple...

A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to___________________?

A. W B. W sin (a + $) C. Wtan(a + <|)) D. Wan(a-) E. Wtana...

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________________?

A. density of metal can’t be determined B. metal is twice as dense as water C. metal will float in water D. metal is twice as dense as unknown fluid E. none of the above...

A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is_________________?

A. 0° B. 30° C. 45° D. 60° E. 90°...