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30 November, 18:15

A block has a volume of 0.07 m3 and a density of 3,500 kg/m3. What's the force of gravity acting on the block (and weight) in the air?

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  1. 30 November, 18:37
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    W = mass * acceleration

    and the gravity acceleration is know as 9.81 m/s^2

    so we need to calculate the mass,

    from the givens, mass = density * volume

    m = 3500*0.07 = 245 kg

    subs. in W = m*g,

    W = 245 * 9.81

    W = 2403.45 N
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