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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?
There are six properties of surface tension:- Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
KINEMATICS I 1. x(t) is called displacement and it denotes the position of the body at a particular time. If the displacement is positive then that body is to the right of
when told that a diffraction grating has 80 lines per mm we need to work out what 1 line would equal. I have the solution but i cannot figure out how they got 1 line to equal 1x10
Classical Mechanics and Electromagnetism Classical Mechanics , which study with the motion of bodies under the action of forces. This is often known as Newtonian mechanics as
What do you mean by transformer ratio? A current of 2A is passed through a coil of 1000 turns to produce a flux of 0.5µwb. Determine the self inductance of the coil.
how to solve question for kinematics problem
what is like and unlike forces
Q. The gain of an amplifier without feedback is 100 and the gain of an amplifier with feedback is 200. Calculate the feedback fraction. Solution : Voltage gain after feedba
What is a thin prism? Write the mathematical expression for deviation produced by a thin prism.
A sprinter runs 100.0 m. If he travels at constant acceleration of 1.95 m/s2 for the first 6.00 s, and then at constant velocity for the remaining time, what was his average veloci
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