// Aim:Refer Example 3-4 for Problem Description
// Given:For the Hydraulic Jack,
// Area of Piston 1:
A1=2; //in^2
// Area of Piston 2:
A2=20; //in^2
// Input force downward:
F1=100; //lb
// downward movement of piston 1:
S1=1; //in