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Date May 2018 Marks available 1 Reference code 18M.1.SL.TZ1.22
Level Standard level Paper Paper 1 Time zone 1
Command term Question number 22 Adapted from N/A

Question

An object of mass m at the end of a string of length r moves in a vertical circle at a constant angular speed ω.

What is the tension in the string when the object is at the bottom of the circle?

A.     m(ω2r + g)

B.     m(ω2r – g)

C.     mg(ω2r + 1)

D.     mg(ω2r – 1)

Markscheme

A

Examiners report

[N/A]

Syllabus sections

Core » Topic 6: Circular motion and gravitation » 6.1 – Circular motion
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Core » Topic 6: Circular motion and gravitation
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