3 Forces and motion

Practice questions on Forces and motion

• A lorry travelling at high speed along a motorway collides with a stationary car. After th… (5 marks, Explain)
• A student sets up a series circuit containing a battery, an ammeter, a filament lamp, and … (5 marks, Explain)
• A security light uses a light dependent resistor (LDR) connected in a circuit to switch a … (5 marks, Explain)
• A thermistor is used in a central heating system to monitor room temperature. As the room … (5 marks, Explain)
• A student sets up a circuit to investigate how a thermistor behaves at different temperatu… (5 marks, Explain)
• A petrol station uses earthing cables to prevent sparking when fuel is being transferred b… (5 marks, Explain)
• A hospital uses two types of medical warming blankets to keep patients comfortable during … (5 marks, Explain)
• A sports centre has two electric water pumps, Pump A and Pump B, that move water around a … (5 marks, Explain)
• A security light outside a house uses a light dependent resistor (LDR) connected in a circ… (5 marks, Explain)
• A copper wire and a longer copper wire of the same thickness are each connected separately… (5 marks, Explain)
• A bowling ball rolling along a smooth lane strikes a stationary skittle. The skittle flies… (5 marks, Explain)
• A rocket in deep space fires its engines, ejecting hot gases backwards. Explain, using New… (5 marks, Explain)
• A car travelling at high speed brakes suddenly and comes to a stop. Explain, using Newton'… (5 marks, Explain)
• A student is investigating how the resistance of a light dependent resistor (LDR) changes.… (5 marks, Explain)
• A thermistor and a fixed resistor are connected in series with a battery. Explain what hap… (5 marks, Explain)
• A farmer uses an electric fence controller to keep livestock in a field. The controller is… (5 marks, Explain)
• A engineer is designing a circuit for a new electric vehicle charging station. One chargin… (5 marks, Explain)
• A student is investigating two electric heaters, Heater A and Heater B, which are connecte… (5 marks, Explain)
• A heating engineer installs a thermistor-based sensor in a greenhouse to monitor temperatu… (5 marks, Explain)
• A street lighting system uses light dependent resistors (LDRs) to automatically switch lig… (5 marks, Explain)