Skip to content

Course home

4.9 Forces and Newton's laws (A-level only)

4.9 Forces and Newton's laws (A-level only)

EasyMediumHard
123456789101112131415161718192021
Question 14

Use g=9.8g = 9.8g=9.8 m s−2^{-2}−2.

A man of mass 75 kg stands on the floor of a lift. The total mass of the lift and its contents, including the man, is 600 kg.

The lift accelerates vertically upwards at 0.8 m s−2^{-2}−2.

a.

Find the tension in the lift cable.

[2]
b.

Find the magnitude of the normal reaction of the lift floor on the man.

[2]
Markscheme

4.9 Forces and Newton's laws (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.9 Forces and Newton's laws (A-level only)

106 exam-style questions on WJEC A Level Maths 4.9 Forces and Newton's laws (A-level only), covering 4.9.1 Forces and Newton's laws (A-level only), 4.9.2 Forces and Newton's laws (A-level only), 4.9.3 Forces and Newton's laws (A-level only), 4.9.4 Forces and Newton's laws (A-level only), and 4.9.5 Forces and Newton's laws (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank