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# PhysicalGeneral Knowledge Teaching Exams State Level Railways SSC Computer Skill English Speaking/Wr

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Question1) The energy by virtue of its position is known as:

[A] Kinetic energy

[B] Potential energy

[C] Internal energy

[D] Heat energy

Option- ['A', 'B', 'C', 'D']

Explaination: Correct Answer: B [Potential energy]

Notes:

The energy by virtue of its position is known as Potential energy. The energy by virtue of its motion is known as Kinetic energy.

Question2) 42.What should be the angle between force and displacement for maximum work to be done?

[A] 0°

[B] 90°

[C] 180°

[D] 30°

Option- ['A', 'B', 'C', 'D']

Notes:

For maximum work, the angle between force and displacement should be 0°. W = Fs Cos 0° = Fs For zero work, the angle between force and displacement should be 90°. W = Fs Cos 90° = 0

Question3) 43.An orbital velocity of a satellite does not depend on which of the following?

[B] Mass of the planet

[D] Mass of the satellite

Option- ['A', 'B', 'C', 'D']

Explaination: Correct Answer: D [Mass of the satellite]

Notes:

An orbital velocity of a satellite does not depend on the mass of the satellite. It depends on the mass and radius of the planet around which it is orbiting. Also, it depends on the radius of the orbit or the height of the satellite.