Chapters
Chapter 2: Health and Diseases
Chapter 3: Force and Pressure
Chapter 4: Current Electricity and Magnetism
Chapter 5: Inside the Atom
Chapter 6: Composition of Matter
Chapter 7: Metals and Nonmetals
Chapter 8: Pollution
Chapter 9: Disaster Management
Chapter 10: Cell and Cell Organelles
Chapter 11: Human Body and Organ System
Chapter 12: Introduction to Acid and Base
Chapter 13: Chemical Change and Chemical Bond
Chapter 14: Measurement and Effects of Heat
Chapter 15: Sound
Chapter 16: Reflection of Light
Chapter 17: Man made Materials
Chapter 18: Ecosystems
Chapter 19: Life Cycle of Stars

Chapter 3: Force and Pressure
Balbharati solutions for General Science 8th Standard Maharashtra State Board Chapter 3 Force and Pressure Exercise [Page 22]
The SI unit of force is_________.
Dyne
Newton
Joule
The air pressure on our body is equal to __________ pressure.
Atmospheric
sea bottom
space
For a given object, the buoyant force in liquids of different ________ is__________. (the same, density, different, area)
The SI unit of pressure is_______.
N/m3
N/m2
kg/m2
pa/m2
Make a match
A group | B group |
1. Fluid | a. Higher pressure |
2. Blunt knife | b. Atmospheric pressure |
3. sharp needle | c. Specific gravity |
4. Relative density | d. Lower pressure |
5. Hecto pascal | e. Same pressure in all directions |
A plastic cube is released in water. Will it sink of come to the surface of the water?
Why do the load-carrying heavy vehicles have a large number of wheels?
How much pressure do we carry on our heads? why don't we feel it?
Why does it happen?
A ship dips to a larger depth in fresh water as compared to marine water.
Why does it happen?
Fruits can easily be cut with a sharp knife.
Why does it happen?
The wall of a dam is broad at its base.
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
Complete the following tables.
Mass(Kg) | Volume (m3) | Density(kg/m3) |
350 | 175 | - |
- | 190 | 4 |
Density of Metal (kg/m3) | Density of water (kg/m3) | Relative Density |
103 | 5 | |
8.5 × 103 | 103 | - |
weight(N) | Area (m2) | Pressure(Nm−2) |
- | 0.04 | 20,000 |
1500 | 500 | - |
The density of metal is 10.8 × 103 kg/m3. Find the relative density of the metal.
Volume of an object is 20 cm3 and the mass in 50 g. Density of water is 1 g cm-3 . Will the object float on water or sink in Water?
The volume of a plastic covered sealed box is 350 cm3 and the box has a mass 500 g. Will the box float on water or sink in water? what will be the mass of water displaced by the box?
Chapter 3: Force and Pressure

Balbharati solutions for General Science 8th Standard Maharashtra State Board chapter 3 - Force and Pressure
Balbharati solutions for General Science 8th Standard Maharashtra State Board chapter 3 (Force and Pressure) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board General Science 8th Standard Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster.
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Concepts covered in General Science 8th Standard Maharashtra State Board chapter 3 Force and Pressure are Balanced and Unbalanced Forces, Pressure on Solids, Liquid Pressure, Buoyancy Force (Upthrust Force), Types of Force: Non-Contact Force, Force, Types of Force: Contact Force, Inertia and Mass, Types of Inertia, Thrust and Pressure, Density of the Fluid, Gas Pressure, Atmospheric Pressure, Archemedes Principle, Relative Density and Its Unit.
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