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Question 18N.3.SL.TZ0.a

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Date November 2018 Marks available [Maximum mark: 2] Reference code 18N.3.SL.TZ0.a
Level SL Paper 3 Time zone TZ0
Command term Calculate Question number a Adapted from N/A
a.
[Maximum mark: 2]
18N.3.SL.TZ0.a

A uniform rod of weight 36.0 N and length 5.00 m rests horizontally. The rod is pivoted at its left-hand end and is supported at a distance of 4.00 m from the frictionless pivot.

Calculate the force the support exerts on the rod.

[2]

Markscheme

taking torques about the pivot R × 4.00 = 36.0 × 2.5 ✔

R = 22.5 «N» ✔

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