In a hydraulic garage lift, the small piston has a radius of 4.0 cm and the large piston has a radius of 20 cm.  What force must be applied on the small piston in order to lift a car weighing 20,000 N on the large piston? Assume the pistons each have negligible weight.

0.80  × 103 N
6.35× 103 N.
2.45 × 103 N
1.25 × 103 N

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