CBSE BOARD XII, asked by meghasc, 11 months ago

In a car lift compressed air exerts a force F1 on a small piston having a radius 5cm. This pressure is transmitted to a second piston of radius 15cm. If the mass of the car to be lifted is 1350kg. What is F1?

Answers

Answered by bishalchoudhury815
16

Answer:

According to pascal law

Explanation:

P1=P2

f1/F2=f2/A2

F1=(A1/A2)F2

=[pi(5×10‐²m)²/pi(15×10‐²m)²](1350N×9.8 m/s²)

=1470N

=1.5×10³N

the air pressure that will produce this force

P=f1/A1

=1.5×10³N/pi(5×10‐²)²m

=1.9×10⁵pa

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