An object is traveling at constant velocity. A non-zero resultant force starts acting on it. State two ways in which this force can change the motion of the object.
State one other effect (not related to motion) that a force can have on an object.
A speedboat has a mass of 800 kg. The speedboat, initially at rest, is accelerated in a straight line by a constant resultant force of 1200 N until it reaches a speed of 24 m/s.
Calculate the average acceleration of the speedboat.
A speedboat has a mass of 800 kg. The speedboat, initially at rest, is accelerated in a straight line by a constant resultant force of 1200 N until it reaches a speed of 24 m/s.
Calculate the time for which this resultant force is applied.
A speedboat has a mass of 800 kg. The speedboat, initially at rest, is accelerated in a straight line by a constant resultant force of 1200 N until it reaches a speed of 24 m/s.
State the name of a force which opposes the motion of the speedboat through the water.
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.