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tresset_1 [31]
3 years ago
9

What two quantities do you have to know to calculate the density of and object?

Physics
1 answer:
charle [14.2K]3 years ago
3 0
'Density' is defined as (mass) / (volume). You need enough information to be able to measure or calculate the mass and the volume of the object.
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<u>Answer:</u>

<em>Newtons II law: </em>

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Let us assume that,a string is attached to the cart, which passes over a pulley along the track. At another end of the string a weight is attached which hangs over the pulley. The hanging weight provides tension in the spring, and it helps in accelerating the cart. We assume that the string is massless and no friction between pulley and the string.

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When hanging weight of mass is m₁ and accelerate due to gravitational force g.

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        Now, Fnet = m₁ .g - T

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So From Newtons II law<em> F =  m.a</em>

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