Atorque (moment) of 24n*m is required to turn the bolt about
itsaxis. determine p and the forces between the smooth hardened
jawsof the wrench and the corners a and b of the hexagonal head.
assumethat the wrench fits easily on the bolt so that contact is
made atcorners a and b only.

The Russian Revolution took place in 1917 when the peasants and working class people of Russia revolted against the government of Tsar Nicholas II. They were led by Vladimir Lenin and a group of revolutionaries called the Bolsheviks. The new communist government created the country of the Soviet Union.