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What is the work done if a 20 N force is applied and the object moves 2 meters in the direction of the force?
A. 10 J
B. 40 J
C. 20 J
D. 60 J
Answer: 40 J
Which of the following is a unit of power?
A. Joule
B. Newton
C. Watt
D. Pascal
Answer: Watt
If a force of 10 N is applied to move an object 5 meters in the direction of the force, how much work is done?
A. 10 J
B. 50 J
C. 5 J
D. 15 J
Answer: 50 J
What is the SI unit of work?
A. Joule
B. Newton
C. Watt
D. Pascal
Answer: Joule
Which of the following is a scalar quantity?
A. Temperature
B. Velocity
C. Force
D. Acceleration
Answer: Temperature
What is the SI unit of temperature?
A. Kelvin
B. Celsius
C. Fahrenheit
D. Joule
Answer: Kelvin
Which instrument is used to measure atmospheric pressure?
A. Barometer
B. Thermometer
C. Anemometer
D. Hygrometer
Answer: Barometer
Which device is used to measure atmospheric pressure?
A. Barometer
B. Thermometer
C. Hygrometer
D. Altimeter
Answer: Barometer
Which of the following is a non-renewable source of energy?
A. Natural gas
B. Wind power
C. Solar energy
D. Hydroelectric power
Answer: Natural gas