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Why fractional force is a non - conserva...

Why fractional force is a non - conservative force ?

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Because ,the work done against frictional force along closed path is not zero so `……..`
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What is non - conservative force ?

Assertion :- Work done by frictional force may be sometimes path independent. Reason :- Frictional force is a non - conservative force.

What are conservative force , non - conservative force , conservative field and non - conservative field ?

Assertion: Frictional forces are conservative forces. Reason: Potential energy can be associated with frictional forces.

Which one of the following force is non- conservative ?

Why gravitational forces or spring forces are conservative forces ?

Write a principle of non - conservative force for mechanical energy .

Match Column-I with Column-II : {:("Column-I","Column-II"),("(1) Conservative force","(a) Friction force"),("(2) Non-conservative force","(b) Gravitational force"),(,"(c) Internal force"):}

Assertion: Frictional force is the component of contact force parallel to the surface. Reason: Friction force always opposes the motion of a body.

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KUMAR PRAKASHAN-WORK, ENERGY AND POWER -SECTION - C Objective Questions (VSQs)
  1. Which nuclear process occur in hydrogen bomb ? Or write the principle ...

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  2. In which condition ,work done on the body does nit increase its kineti...

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  3. If two bodies experience collision when they are moving opposite to e...

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  4. It work done positive or negative for stretched spring ?

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  5. What happens in a eleastic collision of two identical bodies moving op...

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  6. Write the condition for conservative forces .

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  7. Is the work done by non conservative force is always negative ? Discu...

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  8. What is head -on collision ?

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  9. At which position (point) pendulum of a clock have maximum speed ?

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  10. If mechanical work done on the body then kinetic energy increases or d...

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  11. If E - V lt 0 ,then this position is possible ?

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  12. Write the types of collision . (a) Collision between negative charge...

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  13. When arrow is released from bow , then from which source arrow get kin...

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  14. When the maximum energy during elastic collision will be exchanged ?

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  15. By which number the elastic collision if the body be measured ?

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  16. Why fractional force is a non - conservative force ?

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  17. Which physical quantityis conserved in elastic as well as inelastic co...

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  18. What is an angle between two equal bodies of same mass one of them is ...

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  19. "1 kWh is a unit of power " . This statement is true or false ? If it ...

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  20. If bulb of 100 W continued for 10 hour then how much electric energy w...

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