Explain the advantage of fixed pulley?

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generaly what is physics!

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explain Tides

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Shall i get Section engineer S & T question paper? (Railway recruitment board)

0 Answers   RRB,

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Why does a body weigh more at the poles than at the equator?

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What is the difference between collector & emitter of transistor, even though material used for both same?

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I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.

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How ate the weather forecasts made ?

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Why dies the earth move round the sun, and the moon round the earth ?

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Does an aeroplane overtaking other aeroplane pass through its right or left ?

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When a person whirls a rock on the end of a string and maintains it in uniform circular motion, the force exerted on the rock is most accurately referred to as?

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What is Negative Acceleration ?

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