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1.5 Forces

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Question 159

A weather balloon is rising through the atmosphere.

The balloon is rising at its terminal velocity.

Which statement is correct?

A

There is air resistance and the acceleration of the balloon is upward.

B

There is air resistance and the acceleration of the balloon is zero.

C

There is no air resistance and the acceleration of the balloon is upward.

D

There is no air resistance and the acceleration of the balloon is zero.

Markscheme

1.5 Forces Questions

  1. IGCSE
  2. /Physics
  3. /1.5 Forces

245 exam-style questions on CIE IGCSE Physics 1.5 Forces, covering 1.5.1a Forces, resultant force and motion, 1.5.1b Load–extension graphs and the spring constant, 1.5.1c Friction and drag, 1.5.1d Force, mass and acceleration, 1.5.1e Motion in a circular path, 1.5.2a Moment of a force, 1.5.2b Principle of moments and equilibrium, and 1.5.3 Centre of gravity and stability. Each one has a worked solution and a mark scheme showing where the marks go.

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