Pascals law

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Subject: (Physics)

Topic: (Pascal’s law)

Date: (/ /2026)

If the same force acts on a smaller area, what happens to the pressure?

• Pressure

• Force

• Area

• Relation connecting Pressure, force and area

By the end of the lesson, you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

Inquiry questions

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

MID PLENARY

1. True or false: Pressure applied to an enclosed liquid is transmitted undiminished throughout the liquid.

2. If the output piston has four times the area of the input piston, the output force will be 8 times compared with the input force in an ideal system.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

Collaborative activity – Inquiry based Simulation

TASK-to investigate Pascal’s Law using a hydraulic system and formulate the statement.

file:///C:/Users/Kavitha.v_oob/Downloads/pascals_law%20(1).html

CRITICAL THINKING QUESTION

Why is oil used in many hydraulic systems instead of air?

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

TASK 2 -Apply Pascal’s law to explain the working of a hydraulic press and calculate the output force.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

TASK-3

Task: Use two connected syringes or a digital model to demonstrate a hydraulic system.

Explain pascals law by demonstrating the working of the model.

Challenge: Explain what happens when the piston areas are exchanged.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

TASK-4

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

Which all places hydraulic machinery are used in the UAE ?

Hydraulic machinery is widely used across the UAE, especially in construction, automobile workshops, ports, factories and the oil and gas industry.

Real-life applications

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

TASK 1

Task: Explain Pascal’s law in your own words and describe how hydraulic brakes work.

• Use the terms pressure, enclosed fluid, force, and piston.

• Prepare a 30-second explanation with a partner.

• Challenge: Explain why the pressure is transmitted equally even when the pistons have different areas.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

Automobile service centers

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

PLENARY

State Pascal’s law by filling the blanks using correct words.

Pressure applied to an _____________ fluid is transmitted ____________and ______________ to every part of the fluid and the ______________of its container. Pressure is the ___________ at all points of the fluid that are at the __________ height.

Pressure applied to an enclosed fluid is transmitted equally and undiminished to every part of the fluid and the walls of its container. Pressure is the same at all points of the fluid that are at the same height.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

ASSESSMENT

1.Which of the following correctly shows the mathematical expression for Pascal’s law?

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

HOME ASSIGNMENT

Find a real-life example of a hydraulic system used in the UAE. Include a photograph or drawing, explain its working principle and identify one safety precaution.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

By the end of the lesson you will be able to

• Investigate Pascal’s Law using a hydraulic system and formulate the statement.

• Apply Pascal’s law to real-life applications.

Thank you