Aarav asked in Science & MathematicsPhysics · 8 months ago

Physics Help?

 A horizontal plank 6.00 m long has a mass of 52 kg. Supports are placed at the left end

and 4.00 m from the left end. Find the normal force on the right support.

2 Answers

  • NCS
    Lv 7
    8 months ago

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  • 8 months ago

    So, the mass center is on 3m from left support and 1m from right support. Therefore 1part of mass is on left support and 3 parts on right. The force on right support = 3*52/(1+3)=39 kg

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