Skip to content

Course home

Sign up

3 Mechanics

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120
Question 107

A non-uniform rod AB AB\,AB has length 5 m and mass 12 kg. It is hinged at A A\,A and held horizontally in equilibrium by a cable attached at BBB. The cable has tension 100 N and makes an angle of 60∘ 60^\circ\,60∘ above the rod, pulling upwards and towards AAA.

Figure for question 6

a.

Find the distance of the rod's centre of mass from AAA.

[3]
b.

Find the horizontal and vertical components of the force exerted by the hinge on the rod. Use g=9.8g=9.8g=9.8 m s−2^{-2}−2.

[3]
Markscheme

3 Mechanics Questions

  1. A Level
  2. /Maths
  3. /3 Mechanics

Question bank