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Give an example when work done by the fo...

Give an example when work done by the force of gravity acting on a body is zero even though the body gets displaced from its initial position.

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To solve the question, we need to provide an example where the work done by the force of gravity is zero, even though the body is displaced. ### Step-by-Step Solution: 1. **Understanding Work Done**: Work done (W) by a force is given by the formula: \[ W = F \cdot d \cdot \cos(\theta) ...
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ICSE- WORK ENERGY AND POWER-EXERCISE-2(A)
  1. A coolie X carrying a load on his head climbs up a slope and another c...

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  2. The work done by a fielder when he takes a catch in a cricket match is...

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  3. Give an example when work done by the force of gravity acting on a bo...

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  4. What are the S.I. and C.G.S units of work? How are they related ? Esta...

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  5. State and define the S.I. unit of work.

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  6. Express joule in terms of erg

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  7. A body of mass m falls down through a height h. Obtain an expression f...

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  8. A boy of mass m climbs up the stairs of vertical height h. (a) What is...

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  9. Define the term energy and state its S.I. unit

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  10. What physical quantity does the electron volt (eV) measure? How is it ...

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  11. Complete the following sentences : (a) 1J= …………ealorie . (b) 1 kWh …...

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  12. Name the physical quantity which is measured in calorie.How is it rela...

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  13. Define kilowatt hour.How is it reltated to joule?

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  14. State two factors on which power spent by a source depends.Explain you...

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  15. Differentiate between work and power.

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  16. Differentiate between energy and power

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  17. State and define the S.I unit of power.

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  18. State and define the S.I unit of power.

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  19. (a)Name the physical quantity measured in terms of horse power. (b)H...

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  20. Differentiate between watt and watt hour.

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