What is true about the frictional force acting on the box of cereal as it moves with the conveyer belt toward the cashier?
(a) There is a kinetic frictional force pointing opposite to the box’s direction of motion, parallel to the conveyer belt.
(b) There is a static frictional force pointing opposite to the box’s direction of motion, parallel to the conveyer belt.
(c) There is a kinetic frictional force pointing in the box’s direction of motion, parallel to the conveyer belt.
(d) There is a static frictional force pointing in the box’s direction of motion, parallel to the conveyer belt.
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