we measure the .......... (what) of a force in units shown as N?
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The magnitude of a force is measured in newtons(N)
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the N means newtons i kno that
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The unit of force is the Newton (N).\n\n1 newton is defined as the force needed to accelerate a 1kg object at 1m/s*2.(from Newton's 2nd Law of Motion: F = ma)   \n\nSometimes it is given in its base units as kgm/s*2
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I hope, you mean frequency for pitch. \n\nThe frequency “n” is given by the formula, n = (1/2pi) x root of (k/m)\n\nk is the coefficient of stiffness of the spring and m is the mass attached to it.\n\nBy measuring the extension of length of the spring for a given force, the force per unit length gives the value of k.
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this is the amount of force.  Force equals mass times acceleration.  The mass is ur bodyweight in kilos and the acceleration is gravity 9.8m/s/s
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International System of units\n\nfor length its the meter
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m = 7.42 kg\na = 4.02 m/s^2\nF = ?\n\nF = ma = (7.42kg)(4.02m/s^2)\n\nF = 29.8284 kgm/s^2 = 29.83 N\n\nN stands for Newtons
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shouldn't you subtract the work done by gravity\nfirst?\n\nwork By Horizontal Force = 55Nm - work By Gravity
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Weight is a force.  The National Institute of Science and Technologiy defines it here as such.\nhttp://physics.nist.gov/Pubs/SP811/sec08.html\n\nA force is acceleration times mass.  Weight is the accleration due to gravity times mass.  On the Earth's surface, this is approximately:\n\nWeight = Mass x 9.8 meters/second^2\n\nFor a accurate conversion, you would need to use the acceleration due gravity minus the accelration due to centrifugal force at your exact location.  \n\nThis is why physicists more commonly use mass than weight to describe an object.
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In terms of mass.\nThe SI unit for mass is the kilogram (kg).\n\nDo not confuse mass with weight, they are not the same thing.  The mass of an object is constant throughout the universe where as weight is a vector force that depends on the gravitational field around the object.  It is unfortunate that these two words are used interchangably sometimes.
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The net force is the volume of the balloon times the density difference between air and hydrogen (∆d) times g. From archimedes principle: the bouyant force is dair*V*g, the weight of hydrogen is dhyd*V*g, so the net force is the difference, or (dair - dhyd)*V*g =∆d*V*g.   The volume of the baloon is (4/3)πr^3.\n\nr = cuberoot[3*F/(4π * ∆d * g)]\n\nThis comes out 4.89 m
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Mass.\n\nF=ma\n\nF is the force\nm is the mass\na is acceleration
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A force is a push or pull upon an object resulting from the object's interaction with another object.\n\nThe formula is F=ma, where F= force, m=mass, a=acceleration
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Net force is required to change the motion of an object, or accelerate the object. Often forces are balanced, so net force = 0, so motion does not change.\n\nWork is in the same units as energy, not force. Work is related to force by \nW = F*d*cos(theta) where F is the applied force, d is the distance through which the force has been applied, and theta is the angle (if any) between the force and the distance. \n\nFor example if a 100 Newton vertical force is applied to lift an object to a table 5 meters above the starting point, 500 Newton*meters, or 500 joules, of work have been done.
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work = force times distance\nW=Fs
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F = ma\n\nF - Force\nm - mass\na - acceleration
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This is really simple stuff. Newtons is force, seconds is time, meters is length, and meters per second is length per time, or velocity.