A-LevelPhysicsWork, energy and power9702/12 · Oct/Nov 2020 · Q161 Mark
A ball is thrown vertically upwards. Air resistance is negligible. Which statement is correct?
ABy the principle of conservation of energy, the total energy of the ball is constant throughout
its motion.
BBy the principle of conservation of momentum, the momentum of the ball is constant
throughout its motion.
CThe kinetic energy of the ball is greatest at the greatest height attained.
DThe potential energy of the ball increases at a constant rate during its ascent.
✓ Correct answer
A: By the principle of conservation of energy, the total energy of the ball is constant throughout its motion.
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Work, energy and power and see which topics are most likely to come up next.
Sign up free →