A block of mass 6.0 kg is pulled along a horizontal floor in a straight line by a constant force FFF.
The constant frictional force acting on the block is 4.0 N.
The speed of the block increases from 1.5 m/s to 4.5 m/s in 2.0 s.
What is the value of FFF?
5.0 N5.0\text{ N}5.0 N
9.0 N9.0\text{ N}9.0 N
13.0 N13.0\text{ N}13.0 N
17.0 N17.0\text{ N}17.0 N
183 exam-style questions on CIE IGCSE Physics 1.5.1a Forces, resultant force and motion. Each one has a worked solution and a mark scheme showing where the marks go.