Question
4. While riding a skateboard on a flat sidewalk, Alex gives the board a strong push. After moving for a while, the skateboard slows down and eventually stops. What is the main reason the skateboard slows down?(1 point)
Responses
The weight of the skateboard increases as it moves.
The weight of the skateboard increases as it moves.
Air resistance pushes the skateboard backward.
Air resistance pushes the skateboard backward.
Friction between the wheels and the sidewalk reduces the motion.
Friction between the wheels and the sidewalk reduces the motion.
The energy from the push is used up and no longer exists.
The energy from the push is used up and no longer exists.
Responses
The weight of the skateboard increases as it moves.
The weight of the skateboard increases as it moves.
Air resistance pushes the skateboard backward.
Air resistance pushes the skateboard backward.
Friction between the wheels and the sidewalk reduces the motion.
Friction between the wheels and the sidewalk reduces the motion.
The energy from the push is used up and no longer exists.
The energy from the push is used up and no longer exists.
Answers
GPT-4o mini
The main reason the skateboard slows down is:
**Friction between the wheels and the sidewalk reduces the motion.**
This response accurately identifies the force that opposes the skateboard's motion, causing it to slow down and eventually stop.
**Friction between the wheels and the sidewalk reduces the motion.**
This response accurately identifies the force that opposes the skateboard's motion, causing it to slow down and eventually stop.