Last Updated on September 13, 2024 by XAM CONTENT
Hello students, we are providing case study questions for class 8 science. Case study questions are the new question format that is introduced in CBSE board. The resources for case study questions are very less. So, to help students we have created chapterwise case study questions for class 8 science. In this article, you will find case study questions for cbse class 8 science chapter 8 Force and Pressure.
Chapter | Force and Pressure |
Type of Questions | Case Study Questions |
Nature of Questions | Competency Based Questions |
Board | CBSE |
Class | 8 |
Subject | Science |
Useful for | Class 8 Studying Students |
Answers provided | Yes |
Difficulty level | Mentioned |
Important Link | Class 8 Science Chapterwise Case Study |
Case Study Questions on Force and Pressure
Questions
Question 1:
Read the given passage below and answer the question:
In a game of volleyball, players often push the moving ball to their team mates to make a winning move. Sometimes the ball is returned to the other side of the court by pushing or smashing it. In cricket, a batsman plays his or her shot by applying a force on the ball with the bat.
Q.1. What kind of force is applied by a batsman on a ball while hitting it?
(a) Magnetic Force
(b) Muscular Force
(c) Frictional Force
(d) Gravitation Force
Difficulty Level: Easy
Ans. Option (b) is correct.
Explanation: While hitting a ball, the force is caused by the action of muscles in batsman’s body.
The force resulting due to the action of muscles is known as the muscular force.
Q. 2. Force can be defined as:
(a) Work done
(b) Energy required to do work
(c) Push or Pull
(d) Push only
Difficulty Level: Easy
Ans. Option (c) is correct.
Explanation: A push or a pull on an object is called a force.
Q.3. In the given example of volleyball game, what changes force brought about on the volleyball?
(a) Change in direction of motion
(b) Change in shape
(c) Change in state of motion
(d) Both Option (a) and (c)
Difficulty Level: Easy
Ans. Option (a) and (c)
Explanation: When players hit the volleyball, its speed changes and also the direction of its motion changes.
Q.4. How do you describe state of motion?
Difficulty Level: Medium
Ans. A change in either the speed of an object, or its direction of motion, or both, is described as a change in its state of motion. The state of rest is considered to be the state of zero speed. An object may be at rest or in motion; both are its states of motion.
Q. 5. Give two examples showing that force has brought about change in shape of an object.
Difficulty Level: Medium
Ans. 1. Pressing a ball of dough by roller pin to make chapati.
2. Stretching a rubber band.
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Helpful Links for CBSE Class 8 Science Preparation
Topics from which case study questions may be asked
- Learn the basic concept of force.
- Understand the various facets of force.
- Learn about the different changes that are due to the application of force.
- Learn different types of forces.
- Understand the concept of pressure.
- Learn about pressure exerted by liquids and gases (atmospheric pressure).
A push or pull on an object is known as force. Force can be of two types: Contact Force and Non-Contact Force. Force per unit area is called pressure. Liquids and gases exert pressure on the walls of their containers. The pressure exerted by air around us is known as atmospheric
pressure. This chapter deals with force and pressure.
Frequently Asked Questions (FAQs) on Force and Pressure Case Study Questions
Q1: What are case study questions for CBSE examinations?
A1: Case study questions in CBSE examinations typically involve scenarios or real-life examples, requiring students to apply their understanding of concepts to solve problems or analyze situations.
Q2: Why are case study questions important for understanding class 8 science chapters?
A2: Case study questions provide a practical context for students to apply theoretical knowledge to real-world situations, fostering deeper understanding and critical thinking skills.
Q3: How should students approach answering case study questions for CBSE?
A3: Students should carefully read the case study, identify the key issues or problems presented, analyze the information provided, apply relevant concepts and principles of force and pressure, and formulate well-supported solutions or responses.
Q4: Are there any resources available online for students to practice case study questions on class 8 science chapters for CBSE exams?
A4: Yes, several educational websites offer case study questions for CBSE students preparing for science examinations. We also offer a collection of case study questions for all classes and subject on our website. Visit our website to access these questions and enhance your learning experience.
Q5: How can students effectively prepare for case study questions on force and pressure for CBSE exams?
A5: Effective preparation strategies include regular revision of concepts, solving practice questions, analyzing case studies from previous exams, seeking clarification on doubts, and consulting with teachers or peers for guidance and support.
Q6: How can teachers incorporate case study questions on force and pressure class 8 science into classroom teaching?
A6: Teachers can integrate case studies into lesson plans, group discussions, or interactive activities to engage students in active learning, promote problem-solving skills, and facilitate a deeper understanding of force and pressure concepts.
Q7: Can the attraction and repulsion between two magnets be termed as application of force in between them?
A7: Yes, attraction and repulsion between two magnets is push and pull due to application of magnetic force.
Q8: Define pressure.
A8: The force acting on a unit area of a surface is called pressure.
Q9: Why does a balloon or a cycle tyre increase in size and become stiff when air is filled in them?
A9: When air is filled in balloons or cycle tyre, the air molecules start exerting pressure on the walls of balloon or tyre, thus their size increases and they become stiff.
Q10: Differentiate between contact forces and non-contact forces. Give two examples of each.
A10: Contact forces are those forces that need to be in contact of the object to show its effect. Example, Muscular Force and Frictional Force.
Non-contact forces are those that can be applied without being in contact with the object. Example, Electrostatic and Magnetic Forces.