A box is being pushed horizontally along the floor in a straight line at a constant speed. What must be true of the magnitude of the applied pushing force compared to the magnitude of the (kinetic) friction force? a) The applied force must be larger than the frictional force or the object wouldn’t be sliding forward. b) The answer depends on the mass of the box. c) The frictional force must be just slightly less than the applied pushing force. d) The applied force is equal in size to the frictional force.

A box is being pushed horizontally along the floor in a straight line at a constant speed. What must be true of the magnitude of the applied pushing force compared to the magnitude of the (kinetic) friction force? a) The applied force must be larger than the frictional force or the object wouldn’t be sliding forward. b) The answer depends on the mass of the box. c) The frictional force must be just slightly less than the applied pushing force. d) The applied force is equal in size to the frictional force.

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