Physics
________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.

The coulomb's law
First law of thermodynamics
Faraday's Law
Hooke's Law

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Physics
What is the direction of torque?

Perpendicular to the direction of applied force
Parallel to the radius
Opposite to the direction of applied force
Same as the direction of applied force

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