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1.5 Forces

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Question 24

An object is released from rest and falls vertically through the air. As the object accelerates downwards before reaching its terminal velocity, which statement correctly describes its acceleration and the air resistance (drag force) acting on it?

A

The acceleration increases and the air resistance decreases.

B

The acceleration decreases and the air resistance increases.

C

Both the acceleration and the air resistance remain constant.

D

Both the acceleration and the air resistance increase.

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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