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1.5 Forces

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Question 160

A satellite travels at a constant speed in a circular orbit around the Earth. Which statement about the net force acting on the satellite and its velocity is correct?

A

The net force is zero because the speed is constant.

B

The net force is directed towards the center of the Earth, and its velocity is constant.

C

The net force is directed towards the center of the Earth, and its velocity is continuously changing.

D

The net force is directed parallel to the velocity vector, and its velocity is continuously changing.

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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