Wednesday
October 1, 2014

Homework Help: physics

Posted by y912f on Sunday, February 15, 2009 at 3:37pm.

how do i do this
A force of 230 N applied on a hydraulic lift raises an automobile weighing 6500 N. If the applied force is exerted on a 7.0 m^2 piston, what is the area of the piston beneath the automobile?
a. 2.0 * 10^2 m^2
b. 4.0 m^2
c. 0.25 m^2
d. 0.0050 m^2

A water bed that is 1.5 m wide and 2.5 m long weighs 1055 N. Assuming the entire lower surface of the bed is in contact with the floor, what is the pressure the bed exerts on the floor?
a. 250 Pa
b. 260 Pa
c. 270 Pa
d. 280 Pa

thanks for any help!

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - what formula do i need in order to solve this a force of 230 N applied...
physics - In a hydraulic lift, the radii of the pistons are 2.93 cm and 10.1 cm...
Physics - In a hydraulic lift, the radii of the pistons are 2.93 cm and 10.1 cm...
Physics - A hydraulic lift in a garage has two pistons: a small one of cross-...
physics - What force must be applied to push a carton weighing 350 N up a 19 ...
physics - What force must be applied to push a carton weighing 350 N up a 19 ...
physics - What force must be applied to push a carton weighing 350 N up a 19 ...
physics - What force must be applied to push a carton weighing 350 N up a 19 ...
physics - An automobile having a mass of 1750 kg is placed on a hydraulic lift ...
physics - A Spring (k=790 N/m) has a length of 48 cm when zero net force is ...

Search
Members