📍WORK, ENERGY, POWER

GENERAL-SCIENCE

WORK ENERGY AND POWER

"Trust the site, trust the source, with the clarity of a photon."

1 / 10

Category: GENERAL-SCIENCE

1)

What is the kinetic energy of an object with a mass of 2 kg moving at a velocity of 3 m/s?

1) 9 J

2) 12 J

3) 18 J

4) 27 J

2 / 10

Category: GENERAL-SCIENCE

2)

What is the relationship between work and energy?

1) Work is the rate of energy transfer

2) Work and energy are the same

3) Work is the transfer of energy

4) Energy is always greater than work

3 / 10

Category: GENERAL-SCIENCE

3)

What is the power output of a machine that does 200 J of work in 5 seconds?

1) 40 W

2) 20 W

3) 10 W

4) 50 W

4 / 10

Category: GENERAL-SCIENCE

4)

Which of the following is a form of mechanical energy?

1) Thermal energy

2) Kinetic energy

3) Chemical energy

4) Electrical energy

5 / 10

Category: GENERAL-SCIENCE

5)

What is the formula for calculating gravitational potential energy?

1) 𝐺 𝑃 𝐸 = 1/ 2 𝑚 𝑣 ^2

2) 𝐺 𝑃 𝐸 = 𝑚 𝑔 ℎ

3) 𝐺 𝑃 𝐸 = 𝐹 𝑑

4) 𝐺 𝑃 𝐸 = 𝑚 𝑣 2 /2

6 / 10

Category: GENERAL-SCIENCE

6)

What is the SI unit of power?

1) Joule

2) Newton

3) Watt

4) Pascal

7 / 10

Category: GENERAL-SCIENCE

7)

What is the work done when a force of 10 N moves an object 5 meters in the direction of the force?

1) 50 J

2) 10 J

3) 5 J

4) 15 J

8 / 10

Category: GENERAL-SCIENCE

8)

Which of the following is an example of potential energy?

1) A moving car

2) Water stored in a dam

3) A flying bird

4) A rolling ball

9 / 10

Category: GENERAL-SCIENCE

9)

What is the formula for calculating kinetic energy?

1) 𝐾 𝐸 = 1/ 2 𝑚 𝑣^ 2

2) 𝐾 𝐸 = 1/ 2 𝑚 𝑣^ 2

3) 𝐾 𝐸 = 𝑚 𝑣 ^2 /2

4) 𝐾 𝐸 = 𝐹 𝑑

10 / 10

Category: GENERAL-SCIENCE

10)

What is the SI unit of work?

1) Joule

2) Watt

3) Newton

4) Pascal

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EXAMGK.IN

2025
INDIA'S NO. 1 EDUCATIONAL PORTAL FOR GOVERNMENT EXAMS

📍WORK, ENERGY, POWER

“Trust the site, trust the source, with the clarity of a photon.”

"Trust the site, trust the source, with the clarity of a photon."

What is the kinetic energy of an object with a mass of 2 kg moving at a velocity of 3 m/s?

What is the relationship between work and energy?

Explanation: Work is the transfer of energy from one object to another or one form to another. When work is done, energy is transferred.

What is the power output of a machine that does 200 J of work in 5 seconds?

Which of the following is a form of mechanical energy?

Explanation: Mechanical energy includes both kinetic and potential energy. Kinetic energy is the energy of motion, and potential energy is the stored energy.

What is the formula for calculating gravitational potential energy?

Explanation: The formula for gravitational potential energy is GPE=mghGPE = mgh, where mm is the mass, gg is the acceleration due to gravity, and hh is the height above the reference point.

What is the SI unit of power?

Explanation: The SI unit of power is the Watt (W), which is defined as one joule of work done per second.

What is the work done when a force of 10 N moves an object 5 meters in the direction of the force?

Explanation: Work done (WW) is calculated as the product of force (FF) and displacement (dd): W=F×d=10 N×5 m=50 JW = F \times d = 10 \, \text{N} \times 5 \, \text{m} = 50 \, \text{J}.

Which of the following is an example of potential energy?

Explanation: Potential energy is the energy stored in an object due to its position or state. Water stored in a dam has gravitational potential energy.

What is the formula for calculating kinetic energy?

What is the SI unit of work?

Explanation: The SI unit of work is the Joule (J). Work is defined as the product of force and displacement in the direction of the force.

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examgk.in

© 2025 . All Rights Reserved.

EXAMGK.IN

2025INDIA'S NO. 1 EDUCATIONAL PORTAL FOR GOVERNMENT EXAMS

📍WORK, ENERGY, POWER

“Trust the site, trust the source, with the clarity of a photon.”

"Trust the site, trust the source, with the clarity of a photon."

What is the kinetic energy of an object with a mass of 2 kg moving at a velocity of 3 m/s?

What is the relationship between work and energy?

Explanation: Work is the transfer of energy from one object to another or one form to another. When work is done, energy is transferred.

What is the power output of a machine that does 200 J of work in 5 seconds?

Which of the following is a form of mechanical energy?

Explanation: Mechanical energy includes both kinetic and potential energy. Kinetic energy is the energy of motion, and potential energy is the stored energy.

What is the formula for calculating gravitational potential energy?

Explanation: The formula for gravitational potential energy is GPE=mghGPE = mgh, where mm is the mass, gg is the acceleration due to gravity, and hh is the height above the reference point.

What is the SI unit of power?

Explanation: The SI unit of power is the Watt (W), which is defined as one joule of work done per second.

What is the work done when a force of 10 N moves an object 5 meters in the direction of the force?

Explanation: Work done (WW) is calculated as the product of force (FF) and displacement (dd): W=F×d=10 N×5 m=50 JW = F \times d = 10 \, \text{N} \times 5 \, \text{m} = 50 \, \text{J}.

Which of the following is an example of potential energy?

Explanation: Potential energy is the energy stored in an object due to its position or state. Water stored in a dam has gravitational potential energy.

What is the formula for calculating kinetic energy?

What is the SI unit of work?

Explanation: The SI unit of work is the Joule (J). Work is defined as the product of force and displacement in the direction of the force.

Leave a Reply Cancel reply

COPYRIGHT

examgk.in

© 2025 . All Rights Reserved.

2025
INDIA'S NO. 1 EDUCATIONAL PORTAL FOR GOVERNMENT EXAMS