A trolley is connected to a hanging mass by a string over a pulley. A student wants to increase the pulling force while keeping the total moving mass constant. What should the student do?
Add a mass from the bench to the hanger.
Move a mass from the trolley to the hanger.
Add a mass from the bench to the trolley.
Move a mass from the hanger to the bench.
103 exam-style questions on Edexcel GCSE Physics 2.3 Forces and Newton's laws, covering 2.3.1 Newton's first law, 2.3.2 Newton's second law, and 2.3.3 Weight and gravitational field strength. Each one has a worked solution and a mark scheme showing where the marks go.