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23 Σεπ 2024 · Friction is a force between two surfaces that are sliding, or trying to slide, across each other. For example, when you try to push or pull luggage along the floor, friction makes this difficult. Friction always works in the opposite of the direction in which the object is moving or trying to move. There are four types of friction:
17 Φεβ 2023 · Friction or frictional force is defined as the force that resists an object’s motion on a surface. The object can either be stationary or in motion relative to the surface. Friction occurs where the object is in contact with the surface.
19 Ιουλ 2020 · MCQs from CBSE Class 9 Science Chapter 9: Force and Laws of Motion. 1. A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to: (a) Exert large force on the ball. (b) Increases the force exerted by the ball on hands.
Table of Contents: What Is Friction? Factors Affecting Friction. What Causes Friction? Types of Friction. Application of Friction. Friction Problem with Solution. Frequently Asked Questions – FAQs. What Is Friction? Friction is defined as the resistance offered by the surfaces that are in contact when they move past each other.
17 Οκτ 2024 · Check the below NCERT MCQ Questions for Class 9 Science Chapter 9 Force and Laws of Motion with Answers Pdf free download. MCQ Questions for Class 9 Science with Answers were prepared based on the latest exam pattern.
5 Νοε 2023 · Provided CBSE Class 9 Science MCQs with answers are prepared by subject experts after doing an in-depth analysis. The questions covered in these chapterwise MCQs quiz include all fundamental concepts and also they are given correct answers.
31 Αυγ 2020 · The inertia of an object tends to cause the object. (a) to increase its speed. (b) to decrease its speed. (c) to resist any change in the state of rest or of motion. (d) to decelerate due to friction. (c) to resist any change in the state of rest or of motion. 3. The rate of change of momentum with respect to time is measured in. (a) kg ms -2.
