WJEC A-Level Physics (Wales) · WJEC A430QS
1 Mechanics
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Mechanics
- A student states: 'Speed and velocity are the same thing.' Explain why this statement is i… (5 marks, Explain)
- A delivery drone takes off vertically from a warehouse roof and travels 80 m due north, th… (5 marks, Explain)
- A book is placed on a table and remains stationary. A student pushes the book horizontally… (5 marks, Explain)
- A rocket is launched vertically upward from the ground. Initially, the thrust force from t… (5 marks, Explain)
- A small toy car is wound up by compressing a spring inside it. When released on a flat sur… (5 marks, Explain)
- A student pushes a stationary trolley along a smooth, flat surface. After the push, the tr… (5 marks, Explain)
- A railway carriage of mass 4000 kg is moving at 3 m/s along a level track. It collides wit… (5 marks, Explain)
- A person stands on a stationary rowing boat that is floating on a calm lake. The person ju… (5 marks, Explain)
- A cyclist rides at a constant speed around a circular velodrome track. Explain why, even t… (5 marks, Explain)
- A cyclist rides along a flat road at a constant speed. The cyclist's legs apply a force to… (5 marks, Explain)
- A car travels at a constant speed around a circular roundabout. Explain why a net force mu… (5 marks, Explain)
- A satellite orbits the Earth in a circular path at a constant speed. Explain why the satel… (5 marks, Explain)
- A ball on a string is swung in a horizontal circle at a constant speed. Explain why, even … (5 marks, Explain)
- A roller-coaster car travels in a complete vertical loop. Explain, using the concept of en… (5 marks, Explain)
- A firefighter standing on a smooth, frictionless platform fires a water hose horizontally.… (5 marks, Explain)
- A skateboarder is standing still on a smooth, flat surface. The skateboarder throws a heav… (5 marks, Explain)
- A roller coaster car starts from rest at the top of a tall hill and rolls down to the bott… (5 marks, Explain)
- A large stone is lifted from the ground and placed on a high shelf. Explain the energy tra… (5 marks, Explain)
- A student uses an electric fan heater to warm a room. Describe the useful energy transfer … (5 marks, Describe and Explain)
- A skydiver jumps from an aeroplane and falls downward. At first the skydiver accelerates. … (5 marks, Explain)