Activity $1.[50$ marks$]$

A hydraulic press has a ram of $15$ cm radius and a plunger of $4\mathrm{.}5$ cm diameter is used to lift $2$ blocks of heavy Rocks, the force $($ F $)$ applied at the plunger is $500$ N $,$

A$-$ Find the weight of $($Rock $2)$ lifted by the hydraulic press. $(30$ points$)$

B$-$ Plunger area $(5$ Points$)$

C$-$ Ram area $(5$ Points$)$

D$-$ Volume of fluid displaced below the plunger $=$ Volume of fluid buildup below the ram. Justify your answer $(10$ Points$).$

Yes No