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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?
What are Newton s laws of motion? 1. A body at rest will stay at rest and one in motion will stay in motion, unless and unless acted upon by an external force. (Law of inertia)
Why dc ammeter cant read ac current
A centrifugal fan is used to pump air. The fan rotor is 1 ft in diameter, and the blade spacing is 2 in. The air enters with no angular momentum and exits radially with respect to
consider an experiment where you drop an object. brieffly decribe your proposed experiment. what is the indepentent variable and dependent.
Q. Illustrate how do you convert from Pascal to torr? Answer:- Converting the Pascal to the torr The pascal is a slighter unit of pressure than the torr and there are 1
monolithic transister fabrication
The idea that everything is made up of very small particles has been developed over many years supported by several experiments: (i) Brownian motion :
what do you understand about phsics
WHAT IS THE RELATION B/W GEL AND EMULSION? WHAT ARE THE CLASSIFICATIONS?AND FEATURES OF GELS AND ASLO EMULSIONS
For a blackbody, the frequency at which maximum energy is emitted is 3 x 10 13 Hz: A. Give a wavenumber for the wavelength of the infrared emission? B. What is the tempe
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