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Force, energy and momentum

Force, energy and momentum

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Question 18

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:

  • Air density, ρ\rhoρ
  • Upthrust, UUU
  • Velocity, vvv
  • Temperature, TTT
  • Gravitational potential energy, EpE_{\text{p}}Ep​

Which of the following sets contains only scalar quantities?

A

Temperature, air density, and upthrust

B

Gravitational potential energy, temperature, and air density

C

Velocity, upthrust, and air density

D

Gravitational potential energy, velocity, and temperature

Markscheme

Force, energy and momentum Questions

  1. A Level
  2. /Physics
  3. /Force, energy and momentum

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.

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