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Force in Two and Three Dimensions - Pressure and Fluids
Pressure is a force exerted over an area and is measured in Pascals (Pa).
P (in Pa) = Force (in newtons) / area (in m2) If a 750 N person were to accidentally step on your foot, would you rather they were wearing a flat soled sneaker or a narrow spike heel when they hit your foot? Obviously the sneaker because the force would be spread over a much larger area and the pressure at any point of your foot would be much less than if the force is concentrated on just a narrow heel. Example - If a person who weighs 750 Newtons makes contact with your foot on a heel which is 0.5 cm x 0.5 cm, what is the pressure exerted on your foot?
A disk defamation horizontally on a frictionless, mass less, rotational motion support such that the disk is spinning freely about a vertical axis through the centre of the disk an
An organ pipe which is open at both ends resonates at its fundamental frequency. Neglecting any end effects, what wavelength is formed by this pipe in this mode of vibration if the
Write two characteristic features of nuclear force which differentiate it from the Coulomb force.
A single fixed pulley Set up a one fixed pulley as shown in the diagram below. By means of weights see how much force is needed to lift weights of 25, 50, 75, 100 and 200 g. Ca
is there any Law of Physics acting in a weighted object placed in a corrugated paper and the paper can actually support it well thanky you :)
.how can we prove that sn=u+a(1/2)
Planck constant; h: The fundamental constant equivalent to the ratio of the energy of a quantum of energy to its frequency. It refer to the quantum of action. This contains th
The part of mechanics which works with the explanation of the motion of an object without taking reason of the origin is known kinematics. While, the study of the motion of an obje
dimension of electric current
how the direction of friction is obtained?
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