A cyclist travels at a constant speed along a straight, level road.
Which statement about the resultant force on the cyclist and their bicycle is correct?
It acts in the direction of motion.
It is equal to the forward force exerted by the pedals.
It is zero.
It is constantly decreasing.
245 exam-style questions on CIE IGCSE Physics 1.5 Forces, covering 1.5.1a Forces, resultant force and motion, 1.5.1b Load–extension graphs and the spring constant, 1.5.1c Friction and drag, 1.5.1d Force, mass and acceleration, 1.5.1e Motion in a circular path, 1.5.2a Moment of a force, 1.5.2b Principle of moments and equilibrium, and 1.5.3 Centre of gravity and stability. Each one has a worked solution and a mark scheme showing where the marks go.