A person has a choice of either pushing or pulling a sled at a constant velocity

Question

A person has a choice of either pushing or pulling a sled at a constant velocity, as the drawing illustrates. Friction is present. The angle is the same in both cases. Which of the following statements are true? You must select all the true statements to receive credit for this question.

The normal force exerted on the sled is the same in both pictures.
The force of kinetic friction exerted on the sled is greater in the situation on the left.
It requires less force to push the sled.
The normal force exerted on the sled is greater in the situation depicted on the right.
The force of kinetic friction exerted on the sled is greater in the situation depicted on the right.
The normal force exerted on the sled is greater in the situation depicted on the left.
The force of kinetic friction exerted on the sled is the same in both pictures.
The amount of force required to push the sled in the two cases is the same.
It requires less force to pull the sled.

Explanation / Answer

The force of kinetic friction exerted on the sled is greater in the situation on the left. The normal force exerted on the sled is greater in the situation depicted on the left. It requires less force to pull the sled.

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