A toolbox is placed in the back of a pickup truck. Starting from rest, the truck drives off with a constant acceleration. By the time that the truck has moved forward 20 m, the toolbox has slid 1 m toward the rear of the truck. Which, if any, of the following statements is/are true?
The acceleration of the toolbox is less than the acceleration of the truck. If the frictional force between the toolbox and the truck were zero, then the toolbox would not move. Both the toolbox and the truck accelerated. The coefficient of static friction, &mus between the toolbox and the truck is less than the coefficient of kinetic friction, &muk between the toolbox and the truck The frictional force of the truck on the toolbox is greater than the frictional force of the toolbox on the truck.
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