Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?
A B C D
Inertia decreased. Gravity increased. Friction increased. Magnetism decreased.
Question: Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?
(A) Inertia decreased.
(B) Gravity increased.
(C) Friction increased.
(D) Magnetism decreased.

Answer: (C) Friction increased.
Answer: (D) Magnetism decreased.
Question: Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?
(A) Inertia decreased.
(B) Gravity increased.
(C) Friction increased.
(D) Magnetism decreased.
Answer: (C) Friction increased.