Your skateboard begins to slow down when you roll off the sidewalk and across gravel. What is at work?gravityf

Question

Your skateboard begins to slow down when you roll off the sidewalk and across gravel. What is at work?gravityfrictionbalanceall of the above

GPT-5 mini · Answer

Friction.

The gravel increases rolling resistance and collisions between the wheels and stones, which dissipate your skateboard’s kinetic energy as heat and sound. Gravity wouldn’t slow you (unless you were going uphill), and "balance" isn’t a force.

Your skateboard begins to slow down when you roll off the sidewalk and across gravel. What is at work?gravityfrictionbalanceall of the above

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