The diagram shows the downward forces applied on a plastic ruler. 10 cm 15 cm pivot 1.2 N 0.40 N Explain whether or not the ruler is in equilibrium. need help asap.

0.3x0.21x0.08kg=mass 1 sheet

mass 500 = 500xmass 1

volume pile = 0.3x0.2x0.048

density=mass/volume= 500xmass 1/0.3x0.2x0.048

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as technology advances, new experiments often expose problems in accepted theories. c

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