A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if Options: A . &nbspthe floor is smooth, the wall is rough B . &nbspthe floor is rough, the wall is smooth C . &nbspthe floor and wall both are smooth surfaces D . &nbspthe floor and wall both are rough sur-faces

A heavy ladder resting on floor and against a vertical wall may not be in equili

Question

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

Options:

A . the floor is smooth, the wall is rough

B . the floor is rough, the wall is smooth

C . the floor and wall both are smooth surfaces

D . the floor and wall both are rough sur-faces

Answer: Option C

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