# a. Liquid of density fills a cylinder of base area A and height h. i. Using

## Question:

a. Liquid of density ρ fills a cylinder of base area A and height h.

i. Using the symbols provided, state the mass of liquid in the container.

ii. Using your answer to i, derive a formula for the pressure exerted on the base of the cylinder.

b. A boy stands on a platform of area 0.050 m^{2} and a manometer measures the pressure created in a flexible plastic container by the weight W of the boy, as shown.

The density of water is 1,000 kg m^{−3}. Determine:

i. The pressure difference between the inside of the plastic container and the atmosphere outside

ii. The weight W of the boy.

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**Related Book For**

## Cambridge International AS And A Level Physics Coursebook

**ISBN:** 9781108859035

3rd Edition

**Authors:** David Sang, Graham Jones, Gurinder Chadha, Richard Woodside