A 4 m long uniform ladder with weight of 120 N leans against a wall making 70 above a cement floor. Assuming the wall is frictionless, but the floor is not, determine the forces exerted on the ladder by the floor and by the wall.
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ਕਿਹੜੀ ਤਹਿ ਦਾ ਆਕਾਰ ਧਰਤੀ ਦੇ ਦੁਆਲੇ ਅੰਡੇ ਵਰਗਾ ਹੁੰਦਾ ਆ
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