Work, Energy, and Power MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
Master Work, Energy, and Power with Advanced Online Resources
Elevate your grasp of Work, Energy, and Power with specialized online physics exams designed to enhance your preparation. These resources offer a thorough review of basic physics principles and complex concepts related to energy transformations and mechanical work. Dive into practice tests and MCQ answers that focus on critical topics like force and motion. By concentrating on force and motion MDCAT MCQs and other relevant questions, you can solidify your understanding and improve your exam performance.
To excel in your physical tests, particularly the MDCAT, it’s essential to engage with high-quality practice MCQs centered around Work, Energy, and Power. Utilize Pak MCQs and focused practice sessions to refine your skills and boost your confidence. Leveraging these online tools will ensure comprehensive preparation and help you achieve top results in your Work, Energy, and Power exams.
If the power of a machine is 100 W and it operates for 20 seconds, how much work is done?
A. 2000 J
B. 500 J
C. 1000 J
D. 200 J
Answer: 2000 J
The energy stored in an object due to its position is known as:
A. Kinetic energy
B. Potential energy
C. Thermal energy
D. Chemical energy
Answer: Potential energy
What is the relationship between work, energy, and power?
A. Work is the product of power and time.
B. Energy is the product of work and time.
C. Power is the rate at which work is done.
D. Energy is the rate at which power is used.
Answer: Power is the rate at which work is done.
What is the mechanical advantage of a machine if the input force is 200 N and the output force is 800 N?
A. 4
B. 0.5
C. 2
D. 1.5
Answer: 4
In which situation is no work done?
A. A car accelerating on a flat road
B. A book resting on a table
C. A person lifting a box
D. A ball rolling down a hill
Answer: A book resting on a table
The work done by a force is equal to the:
A. Change in kinetic energy
B. Change in potential energy
C. Force times velocity
D. Force times displacement
Answer: Force times displacement
Which of the following does not affect the power of an engine?
A. The force exerted
B. The time taken
C. The velocity of the object
D. The distance traveled
Answer: The distance traveled
What is the work done by a force of 15 N to move an object 8 meters in the direction of the force?
A. 120 J
B. 15 J
C. 8 J
D. 30 J
Answer: 120 J
If an object of mass 2 kg is lifted to a height of 10 meters, what is the work done against gravity? (Take g = 9.8 m/s²)
A. 196 J
B. 20 J
C. 9.8 J
D. 98 J
Answer: 196 J