3 Forces and motion

Practice questions on Forces and motion

• A delivery driver notices that when two identical electric vehicles (EVs) are being charge… (5 marks, Explain)
• A scientist is investigating how two resistors can be connected in a circuit. Explain why … (5 marks, Explain)
• A student connects two resistors in a parallel circuit. The student then reconnects the sa… (5 marks, Explain)
• A student is designing an automatic security light for a garden shed. The light must switc… (5 marks, Explain)
• A student is investigating two electric heaters, Heater A and Heater B, connected to the s… (5 marks, Explain)
• A rechargeable electric bicycle motor transfers energy to the wheels. The motor operates a… (5 marks, Explain)
• A garden irrigation pump is connected to a mains power supply. The pump operates at a pote… (5 marks, Explain)
• A building uses two types of electric heaters in its entrance hall. Heater X is connected … (5 marks, Explain)
• A rocket is launched from rest into space. Once in deep space, far from any gravitational … (5 marks, Explain)
• A cinema uses two types of lighting in its foyer: a set of filament lamps and a set of LED… (5 marks, Explain)
• A thermistor is used in a temperature-monitoring circuit. As the temperature of the thermi… (5 marks, Explain)
• A worker at a petrol station notices a small spark as they reach for the fuel nozzle. Expl… (5 marks, Explain)
• A student sets up a circuit to investigate how the resistance of a light dependent resisto… (5 marks, Explain)
• A cyclist rides along a straight, flat road. She accelerates from rest, travels at a const… (5 marks, Describe)
• A heating engineer installs two identical resistive heating elements in a domestic boiler.… (5 marks, Explain)
• A street lighting system uses light dependent resistors (LDRs) to automatically switch lig… (5 marks, Explain)
• A student sets up a series circuit containing a battery, an ammeter, a filament lamp, and … (5 marks, Explain)
• A student investigates how the resistance of a thermistor changes with temperature. The st… (5 marks, Explain)
• A filament lamp and a diode are components used in electrical circuits. Explain why the cu… (5 marks, Explain)
• A student sets up two identical resistors, one connected in series with a power supply and… (5 marks, Explain)