Hydraulic Lift System: Force and Pressure Calculation

Calculation of Force and Pressure in a Hydraulic Lift System

An elevator in a workshop uses input and output pistons with diameters of 15 cm and 40 cm respectively to lift a car weighing 1.4 x 10^4 newtons. Find:

A) What force is applied to the input piston?

Answer: The force applied to the input piston is 1968.75 newtons.

B) What pressure is applied to the input piston?

Answer: The pressure applied to the input piston is 111408.460 pascals. Explanation:

A) The force applied to the input piston can be calculated using the Principle of Pascal, which states that the pressure in a closed hydraulic system is the same at all points. By applying the relationship between the forces and areas of the pistons, we can determine that the force applied to the input piston is 1968.75 newtons.

B) The pressure applied to the input piston can be calculated by dividing the force by the area of the input piston. Through this calculation, we find that the pressure applied to the input piston is 111408.460 pascals.

Final Answer: The problem involves finding the force and pressure applied to an input piston in a hydraulic lift system. These calculations are based on the principles of fluid mechanics, particularly Pascal's Law. The force is determined by considering the areas of the pistons and the weight of the car, while the pressure is calculated by dividing the force by the area of the input piston. Explanation:

This question involves principles of fluid mechanics, particularly Pascal's Law, which dictates that external pressure applied to a confined fluid is transmitted uniformly throughout the fluid and its container. The force and pressure calculations in a hydraulic lift system are essential for understanding how such systems operate efficiently and effectively.

What are the key principles involved in calculating force and pressure in a hydraulic lift system?

The key principles involved in calculating force and pressure in a hydraulic lift system include Pascal's Law, which states that pressure applied to a confined fluid is transmitted equally throughout the fluid, as well as the relationship between the areas of the input and output pistons in determining the force and pressure applied to the system.

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