A block of mass M slides down a frictionless plane inclined at an angle with the

Question

A block of mass M slides down a frictionless plane inclined at an angle with the horizontal. The normal reaction force exerted by the plane on the block is directed

Question options:

A)

perpendicular to the plane.

B)

parallel to the plane in the opposite direction as the movement of the block

C)

parallel to the plane in the same direction as the movement of the block.

D)

toward the center of the Earth.

E)

A block of mass M slides down a frictionless plane inclined at an angle with the horizontal. The normal reaction force exerted by the plane on the block is directed A) perpendicular to the plane B) ) parallel to the plane in the same direction as the movement of the block. D) toward the center of the Earth. E) toward the center of mass of the block

Explanation / Answer

perpendicular to the plane

Normal force is the contact force that is always perpendicular to the force

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