Q1 · medium · AI-verified
A body of mass 5 kg is raised to a height of 10 m. What is the potential energy stored in it? (g = 10 m/s²)
- 250 J
- 500 J
- 50 J
- 1000 J
Q2 · medium · AI-verified
A pump lifts 200 kg of water to a height of 5 m in 10 seconds. What is the power of the pump? (g = 10 m/s²)
- 1000 W
- 2000 W
- 100 W
- 500 W
Q3 · easy · AI-verified
A force of 10 N acts on an object and displaces it by 5 m in the direction of the force. What is the work done?
- 50 J
- 25 J
- 100 J
- 2 J
Q4 · medium · AI-verified
Which of the following is NOT a unit of energy?
- Kilowatt-hour
- Joule
- Electron Volt
- Watt
Q5 · easy · AI-verified
When a body is lifted vertically to a height 'h', the work done against gravity is stored as which type of energy?
- Chemical Energy
- Gravitational Potential Energy
- Kinetic Energy
- Thermal Energy