Subsection 1.8. Pressure for Physics, IGCSE - revisedeck

1.8. Pressure

A subsection of Physics, 0625, through 1. Motion, forces and energy

Listing 10 of 314 questions

A square wooden raft floats on a lake. The density of the water in the lake is 1000 kg / m3. The sides of the raft are 2.0 m long and the thickness of the raft is 0.20 m. The mass of the raft is 700 kg. How many barrels, each of mass 100 kg, could be placed on the raft before its surface sinks to the surface of the water?

0625_w20_qp_23

MCQ

2020

Paper 2, Variant 3

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An object is a depth h below the surface of a liquid. The pressure due to the liquid at this depth is p. The gravitational field strength is g. What is the density  of the liquid?

0625_w23_qp_22

MCQ

2023

Paper 2, Variant 2

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An object is immersed in a liquid of density ρ. The pressure at this depth due to the liquid is p. The gravitational field strength is g. What is the equation for the depth h of the object beneath the surface?

0625_w23_qp_23

MCQ

2023

Paper 2, Variant 3

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A water manometer is used to measure the pressure of a gas supply to a house. It gives a reading of h cm of water. gas supply h cm Why is it better to use water rather than mercury in this manometer?

0625_w09_qp_11

MCQ

2009

Paper 1, Variant 1

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Questions Discovered

314