The system below is balanced if m1 = T2 mg: 30 cm 40 cm 30 cm m1 m2 m3 True False
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Three masses are attached to a uniform meter stick. The masses to the left of the fulcrum are m1 = 500.0g and m2 =180.0g. The mass to the right of the fulcrum is m3 = 1500.0g. Determine the normal reaction force in newtons at the fulcrum when the system is balanced. 30 cm 40 cm 30 cm m1 m2 m3
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As it is, the system above is not balanced. Which of the following changes would NOT balance the system so that there is 0 net torque? Assume the plank has no mass of its own. (A) Adding a mass equal to $m_{2}$ on the far left side and a mass equal to $m_{1}$ and on the far right side (B) Stacking both masses directly on top of the fulcrum (C) Moving the fulcrum a distance $\mathrm{L} / 3$ to the right (D) Moving both masses a distance $\mathrm{L} / 3$ to the left
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