Note AcademyNote Academy

Physics (AS & A Level) · Oct / Nov 2023 · Paper 11 · Question 15

9702Energy conservation

A crate of mass 50 kg is pushed a distance of 6.0 m along a horizontal surface against a constant resistive force of 70 N. The crate moves at a constant speed. It is then lifted, at a constant speed, through a vertical distance of 1.2 m onto the back of a lorry. What is the total work done in this process?

  1. A420 J
  2. B480 J
  3. C590 J
  4. D1000 J

As printed in the paper

Show the answer

Correct answer: D. 1000 J

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.