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Physics I FIS2061 Tutorial Static Equilibruum 6. A uniform ladder of masy 32 lsg rests at an angle against a smooth wall as shown in the diagram. The centre of gravity of the ladder is at its midpoint. Determine the force R exerted by the wall on the ladder by taking moment about the base of the ladder Why the force at the base of the ladder was not included when doing the calculation in (a)? (a) Ladder (b) 4.0 m Weight 1.5 m

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SoLUTION Ladder 시 313-6 N Taisins moment ut point a にレ 2. tan 2P. frem the fiqure from U and L? 8- Solution (b): Fexre ot he ase of the ladder is inciusted because its mement aboutpoint△ is zero

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