Чему равен момент силы F относительно точки а:<img src="/close/store/examRes/%7B5DB48090-6916-4C20-84A5-9EDA5D387284%7D/h.png" /><img src="/close/store/examRes/%7B5DB48090-6916-4C20-84A5-9EDA5D387284%7D/%D0%A1%D0%BD%D0%B8%D0%BC%D0%BE%D0%BA%20%D1%8D%D0%BA%D1%80%D0%B0%D0%BD%D0%B0%20%28190%29.png" /><img src="/close/store/examRes/%7B5DB48090-6916-4C20-84A5-9EDA5D387284%7D/%D0%A1%D0%BD%D0%B8%D0%BC%D0%BE%D0%BA%20%D1%8D%D0%BA%D1%80%D0%B0%D0%BD%D0%B0%20%28189%29.png" /><img src="/close/store/examRes/%7B5DB48090-6916-4C20-84A5-9EDA5D387284%7D/%D0%A1%D0%BD%D0%B8%D0%BC%D0%BE%D0%BA%20%D1%8D%D0%BA%D1%80%D0%B0%D0%BD%D0%B0%20%28188%29.png" /> <img src="/img/a9/d57d9d4db172484e791bdcfbcb.png" />, <img src="/img/75/aaff38d34cef7e8a4e81fe187c.png" />, <img src="/img/4d/a27462e18f86a8aecdc70f6456.png" />