A rolling ball slows down and stops. What happens to its energy?
AIt is lost forever
BIt turns mostly to heat
CIt is made again
DIt turns into mass
Answer & Solution
Correct answer: B. It turns mostly to heat
Energy is not destroyed, and friction changes the ball's motion energy into heat.
Keep practising Force, work and energy
Browse all Force, work and energy questions for Olympiad (Class 4), or explore more Science topics.
Related questions
Water at a hydro dam makes electricity. Where did the water's energy first come from?A magnet pulls a nail towards it. A force like this can act in which way?Wind, rain and storms on Earth are driven by energy from which body?A ball thrown up stops for a moment at its highest point. Which energy is greatest there?A ball is thrown up. What happens to its speed as it rises?Meena uses a short steep ramp and Ali uses a long gentle ramp to lift a barrel onto a trucA girl eats lunch and then runs. Which energy change happens in her body?A solar panel changes sunlight into which energy that can run a fan?