1) a normal force is always perpendicular to the surface and equal to the weight

Question

1) a normal force is always perpendicular to the surface and equal to the weight of the object that is in contact with the surface

2) the coefficient of static friction is always greater than the coefficient of kinetic friction between the same surface

3) if the acceleration of an object is zero then the net force on the object must be zero

4) if two objects with different masses (m) and (M) interact with each other to apply force on each other then the force is applied by (M) on (m) must be greater than that applied by (m) on (M)

5) if only one force acts on an object, the object can still be in equilibrium

Explanation / Answer

false

true

true

true

true

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