A weather balloon is released into the atmosphere to gather meteorological data. During its ascent, several physical quantities associated with the balloon and its surroundings are monitored:
Which of the following sets contains only scalar quantities?
Temperature, air density, and upthrust
Gravitational potential energy, temperature, and air density
Velocity, upthrust, and air density
Gravitational potential energy, velocity, and temperature
84 exam-style questions on AQA A Level Physics Force, energy and momentum, covering Scalars and vectors, Moments, Motion along a straight line, Projectile motion, Newton's laws of motion, Momentum, Work, energy and power, and Conservation of energy. Each one has a worked solution and a mark scheme showing where the marks go.