200 Newton is suspended to the lower extremity a coppr wire of length one metre .calculate elongation of the wire if the radius of its cross-section is 1 mm and young models of its material is 1.1 x 10 to the power of 7 Newton per metre square.​

Answer: buoyancy forceexplanation: in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.

Electoral current force mechanical advantage if the wheel and axle is 2 n and the output force is 20 n