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11. Force And Pressure Science class 8 in English Medium ncert book solutions Additional Questions With Solutions
11. Force And Pressure Additional Questions With Solutions – Complete NCERT Book Solutions for Class 8 Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 11. Force And Pressure Additional Questions With Solutions to help you master concepts and score higher.
11. Force And Pressure Science class 8 in English Medium ncert book solutions Additional Questions With Solutions
NCERT Solutions for Class 8 Science play an important role in helping students understand the concepts of the chapter 11. Force And Pressure clearly. This chapter includes the topic Additional Questions With Solutions, which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 8 studying Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 11. Force And Pressure is explained in a structured way, making it easier for students to connect the theory with the topic Additional Questions With Solutions. By studying these updated NCERT Solutions for Class 8 Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
11. Force And Pressure
Additional Questions With Solutions
Additional Questions With Solutions:
Ques: Define force.
Ans: A push or a pull on an object is called a force.
Ques: Define muscular force.
Ans: The force resulting due to the action of muscles is known as the muscular force.
Ques: Write the kinds of force.
Ans: There are two kinds of force.
(i) Contact force
(ii) Non-contact force
Ques: What is contact force? Write its types.
Ans: Muscular force can be applied only when it is in contact with an object, it is also called a contact force.
This is two types:
(i) Muscular force – The force resulting due to the action of muscles is known as the muscular force.
(ii) Frictional force - The force acts opposite to the direction of motion and this is responsible for changing the state of motion of objects. It arises due to contact between the surfaces.
Ques: Why is frictional force known as contact force?
Ans: The frictional force known as contact force as it arises due to contact between the surfaces.
Ques: What is non-contact force? Write its types.
Ans: The force which is felt by the objects without any contact is known as non-contact force.
This is two types:
(i) Electrostatic force: The force exerted by a charged body on another charged or uncharged body is known as electrostatic force.
(ii) Gravitational force: Every object attracts each other and pulls toward itself. Such force which applied on objects is known as Gravitational force and gravitation
Ques: Define Pressure.
Ans: The force acting on a unit area of a surface is called pressure.
Ques: Why shoulder bags are provided with broad straps and not thin strap?
Ans: Broad straps reduce pressure on back. If the strap will be thin the value of pressure will be raised as per unit area of surface gets reduced.
Ques: Why have nails sharp edges?
Ans: Nails have sharp edge because if per unit area of surface is reduced the pressure on it is increased. Hence nails push easily.
Ques: What is atmosphere ?
Ans: Envelop of air is known as the atmosphere.
Ques: What is atmospheric pressure?
Ans: The pressure exerted by this air is known as atmospheric pressure.
See other sub-topics of this chapter:
1. Chapter Review 2. Text Book Exercise 3. Text Book Exercise 4. Additional Questions With Solutions 5. Additional Questions With Solutions