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1.5.1a Forces, resultant force and motion

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Question 28

A small ball attached to a string is whirled in a horizontal circle at a constant speed.

a.

Explain why it is incorrect to say that the ball is moving with a constant velocity.

[1]
b.

A force must act on the ball to keep it moving in this circular path.

Explain why a force is required to maintain this circular motion.

[2]
c.

State the direction in which this force acts.

[1]
d.

Identify the physical source of this force.

[1]
Markscheme

1.5.1a Forces, resultant force and motion Questions

  1. IGCSE
  2. /Physics
  3. /1.5.1a Forces, resultant force and motion

183 exam-style questions on CIE IGCSE Physics 1.5.1a Forces, resultant force and motion. Each one has a worked solution and a mark scheme showing where the marks go.

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