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Q. Explain the Law of Machines?
Answer:-
Machines which are utilized to lift a load are governed by the Law of machines which states that the effort to be applied on the machine (p) is related to the weight (w) which it can lift as - p = mw + c Where m and c are positive constants which are characteristics of the machine.
Self inductance: When current through a coil changes, the changing flux induces an emf that opposes the current flow. This emf is the result of self inductance and is called '
State and illustrate Huygens' principle. Explain the consequences of total internal reflection.
Rolling Disc Imagine a rectangular tray lying flat on a horizontal table. Suppose in which the tray has vertical sides, and this a plate (or disc) lies flat on the table and r
Concept of wave front The basis of Huygens wave theory of light is his principle concerning construction of wave front. When a disturbance from a light source travels i
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what is gravity
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Sliding versus Static Friction: Friction force is the force exert by a surface as an object moves crosswise it or makes an effort to move across it. Two types of friction force
Cosmological constant; Lambda The constant introduced towards the Einstein field equation, planned to admit static cosmological solutions. During current philosophical view wa
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