AQA GCSE Physics (8463) · AQA 8463
4.5 Forces
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Forces
- Explain why a skydiver reaches a terminal velocity before opening their parachute. (4 marks, Explain)
- Explain why work is done on a book when it is lifted vertically upwards onto a shelf, and … (4 marks, Explain)
- A child drags a sledge across a flat, snowy field using a horizontal rope. The snow exerts… (4 marks, Explain)
- A decorator uses a sanding block to smooth a wooden floor by pushing it horizontally acros… (4 marks, Explain)
- Describe what happens to a spring when it is loaded with increasing force, from the point … (4 marks, Describe)
- A student presses down on a foam cushion and then removes the force. The foam returns to i… (4 marks, Explain)
- A student uses a door handle to open a heavy door. The door handle is positioned far from … (4 marks, Explain)
- Explain why a sealed plastic bottle, partially filled with air, floats on the surface of w… (4 marks, Explain)
- A wooden log floats on the surface of a river. Explain why the log floats rather than sink… (4 marks, Explain)
- A ball is thrown horizontally and travels in a curved path before hitting the ground. Expl… (4 marks, Explain)
- A rocket is launched vertically from rest. As the rocket climbs higher, its acceleration i… (4 marks, Explain)
- A stationary ice skater catches a ball thrown towards her. After catching the ball, the sk… (4 marks, Explain)
- A railway wagon moving along a track collides with a stationary wagon. After the collision… (4 marks, Describe and Explain)
- A firefighter wearing a heavy backpack jumps from a stationary helicopter and lands on a r… (4 marks, Describe)
- A tennis ball is travelling at high speed towards a wall. The ball collides with the wall … (4 marks, Explain)
- Explain why the total momentum of a system is conserved when two objects collide. (4 marks, Explain)
- A cyclist is riding along a flat road at a constant velocity. The cyclist then stops pedal… (4 marks, Explain)
- A car is travelling along a motorway at a constant speed. Explain why the car must have it… (4 marks, Explain)
- Explain why a skydiver reaches a terminal velocity before opening their parachute. (4 marks, Explain)
- A hot air balloon rises through the atmosphere. Explain why the upthrust acting on the bal… (4 marks, Explain)