Class 9 Physics Chapter 10 | Thrust and Pressure Numericals - Gravitation

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✅ In this video,

✔️ Class: 9th
✔️ Subject: Physics
✔️ Chapter: Gravitation (Chapter 10)
✔️ Topic Name: Thrust and Pressure
✔️ Topics Covered in This Video: Chapter 10 Gravitation Thrust and Pressure Numericals
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00:00 Introduction
00:45 NCERT Question
06:27 Numericals
19:28 Website Overview
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Points covered in this video:-

Ncert Question. Why is it difficult to hold a school bag having a strap made of a thin and strong string?

Question. A force of 100N is applied to an object of area 2m2. Calculate the pressure.

Question. A block of wood is kept on a tabletop. The mass of wooden block is 5 kg and its dimensions are 40 cm × 20 cm × 10 cm. Find the pressure exerted by the wooden block on the table top if it is made to lie on the table top with its sides of dimensions (a) 20 cm × 10 cm and (b) 40 cm × 20 cm.
Solution. The mass of the wooden block = 5 kg
The dimensions = 40 cm × 20 cm × 10 cm
Here, the weight of the wooden block
applies a thrust on the table top. .

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