A crate of mass 10 kg is pulled in a straight line across a level floor. Friction acts opposite to its motion with a force of 6.0 N. The crate accelerates at 0.80 m s−20.80\ \mathrm{m\,s^{-2}}0.80 ms−2.
What is the magnitude of the pulling force on the crate?
2.0 N2.0\ \mathrm{N}2.0 N
14 N14\ \mathrm{N}14 N
8.0 N8.0\ \mathrm{N}8.0 N
6.0 N6.0\ \mathrm{N}6.0 N
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.