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With the force and the displacement specified, define the work done by the force.

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Define the relationship between joule and erg using the equation.

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Explain unit of work as per SI and CGS system.

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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The work done on an object does not depend on .... (i) displacement (ii) applied force

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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If we increase the velocity of a car moving on a flat surface to four times its original speed, its potential energy

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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The total energy of an object falling freely towards the ground ... (i) decreases (ii) remains unchanged

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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The potential energy of your body is least when you are ..... (i) sitting on a chair (ii) sitting on the ground

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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While dragging or lifting an object, negative work is done by (i) the applied force (ii) gravitational force

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Power is a measure of the ....... (i) the rapidity with which work is done (ii) amount of energy required to perform

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude?

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Joule is the unit of ... (i) force (ii) work (iii) power (iv) energy

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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For work to be performed, energy must be .... (i) transferred from one place to another (ii) concentrated

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Why is the work done on an object moving with uniform circular motion zero?

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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If an object has 0 momentum, does it have kinetic energy? Explain your answer.

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Determine the amount of work done when an object is displaced at an angle of 30o with respect to the direction of t

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Prove that the kinetic energy of a freely falling object on reaching the ground is nothing but the transformation

asked Apr 7, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Derive the formula for the kinetic energy of an object of mass m, moving with velocity v.

asked Apr 3, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Explain the difference between potential energy and kinetic energy.

asked Apr 3, 2022 in Chapter 2 Work and Energy by Doubtly (98.9k points)

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Does the angle of banking depend on the mass of the vehicle?

asked Mar 26, 2022 in Chapter 1 Laws of Motion by Doubtly (98.9k points)

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A person swims 100 m in the first 40 s, 80 m in the next 40 s and 45 m in the last 20 s. What is the average speed?

asked Mar 17, 2022 in Chapter 1 Laws of Motion by Doubtly (98.9k points)

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