physics

1.Can a small child play with a fat child onthe see-saw?explain how.
2.Two children are sitting on the see-saw,such that they can not swing.What is the net torque in this situation?
3.Does the speed of a ceiling fan go on increasing all the time?
4.Does the ceiling fan satisfy second condition for equilibrium when rotating with uniform speed?

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  1. 1. Think about it. What would you do?
    2. No motion; no torque
    3. What do you think? Watch one sometime.
    4. Tell me what the "second condition for equilibrium" is first.

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  2. blabla blabla i hate physics

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  3. Boring physics

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  4. yes a fat chld can play with the fat child

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  5. No Cz Fat kid will lower the see saw and little small kid.will be lower down..in this way they cannot ppay together on a see saw .

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  6. Can a small child play with a fat child on a see saw? explain how?

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  7. A small child cannot play with a fat child because their weight is not balanced.

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  8. Yes they can by doubling the moment arm on the arm of small child

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  9. No they cannot play together because their weight is not equal to play on sea saw their weight must be equal for e.g the weight of one child is 45 kg then the other weight must be 45kg

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  10. Yes. A small child can play with a fat child on a see saw, only if they both are at unequal distances from the pivot of the see saw. Such that the small child is farther from the pivot and the fat is closer. Then the see saw would be balanced and hence, they would be able to swing.

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  11. If two children are sitting on A see saw such that they cannot swing, then they will be satisfying the second condition of equilibrium, as the see saw has the tendency to rotate (until a limit.) Hence, the net torque will be zero (according to the second condition of equilibrium.)

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