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1.5 Forces

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Question 50

A raindrop falls vertically through the air at a constant speed.

Which statement about the raindrop is correct?

A

The gravitational potential energy of the raindrop remains constant.

B

The upward force of air resistance is equal in magnitude to the weight of the raindrop.

C

There is a non-zero resultant force acting downwards on the raindrop.

D

The raindrop is accelerating downwards at 9.8 m s−29.8\text{ m s}^{-2}9.8 m s−2.

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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