Force of friction depends on mcq

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WebMar 3, 2024 · (c) Friction is a force that only occurs on rough surfaces (d) Friction is a force that occurs only between solids Answer Question 4. Talcum powder should not be spilled on the floor of room because: (a) it will stain the floor (b) it may cause us to slip and fall (c) it is messy (d) none of these Answer Question 5. WebYes, because the applied force is more than the maximum limiting static friction. 50. A skier with a mass of 67 kg is skiing down a snowy slope with an incline of 37°. Find the friction if the coefficient of kinetic friction is 0.07. 27.66 N 34.70 N 36.71 N 45.96 N 5.5 Simple Harmonic Motion 51.

Class 8 Science Chapter 12 MCQ - Tiwari Academy

WebNov 11, 2024 · The value of the frictional force for a body is always constant when it is static and does not vary with applied force. a) True b) False Answer: b 7. Consider a block of mass 9.81kg on an inclined surface of the coefficient of … Web11. Friction acts: A only when an object is in motion B whether an object is moving or not C on stationary objects only: 12. The size or magnitude of a frictional force depends on: A the forces pushing the surfaces together B the roughness of the contact surfaces C both of the above: 13. An example of sliding friction is: A writing in pencil good scary movies to watch alone

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WebPhysics Friction Multiple Choice Questions (MCQ), Physics Friction quiz answers PDF to practice grade 9 physics online course test. Physics Friction MCQ PDF: Force of … WebApr 21, 2024 · The friction force is then μW cos θ. The friction force always depends on the magnitude of the force normal to the surface because that is the force that actually … WebSep 5, 2024 · Answer: (a) Nature of surfaces in contact. weight of the object. the force of adhesion and deformati0n. (b) Shlain’s suggestion of keeping iron bar below the box will help the labour store Putting the iron bar below the box will make it to roll over the bar. As rolling friction is less than building. chest pain with belching

Class 8 Science MCQ Questions of Friction with Answers

Why is the maximum friction (f=mu *Normal force

WebMay 22, 2024 · MCQ worksheet – Friction or frictional force 1) Friction occurs because a. all surfaces have some roughness. b. surfaces in contact generate heat. c. chemical reactions take place when surfaces touch. d. none of the above 2 ) Which factors affect friction? a. roughness of the surfaces b. area of the surfaces WebCh 12 Science Class 8 MCQ Question 12. A toy car released with the same initial speed will travel farthest on. (a) muddy surface. (b) polished marble surface. (c) cemented surface. … chest pain with belching and gasWebThe force of friction is a force that resists motion when two objects are in contact. If you look at the surfaces of all objects, there are tiny bumps and ridges. Those microscopic peaks and valleys catch on to one another … good scary movies to watch 2022

"WebMay 22, 2024 · 6 ) The moon orbits Earth rather than the sun because. a. the sun’s gravity is weaker than Earth’s. b. the moon is smaller than Earth. c. Earth already orbits the sun. d. … " - Force of friction depends on mcq

Force of friction depends on mcq

Friction MCQ [Free PDF] - Objective Question Answer for Friction …

WebNov 9, 2024 · The coefficient of friction depends on the material and roughness of the two surfaces in contact. The limiting frictional force is proportional to the normal force that acts between the bodies in contact. The ratio of frictional force to the normal reaction is constant and is known as the coefficient of friction i.e. μ = F/N. Webreduce the force acting between the 2 surfaces. reduce the roughness of the 2 surfaces coming in contact. use wax, grease or oil. all of the above are ways of reducing friction. Question 19. 30 seconds. Q. The amount of friction depends on the weight of the objects pressing together. answer choices.

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WebMar 8, 2024 · The force of friction depends upon the roughness of friction; The magnitude of force of friction is exactly equal to the force, which tends to move the body; The … WebHere, we are discussing 12 more MCQs of Fluid Dynamics in Physics. 1. What does fluid means? ... Cohesive force (d) Viscosity (e) None of these. Answer: (d) 5. The formula of friction force F in a liquid was first suggested by ... 10. Drage force between layers under consideration depends (a) The surface area of the layer (b) The distance ...

WebOct 4, 2024 · Name the two factors on which the magnitude of frictional force depends. Answer: Frictional force depends on. The weight of the body and; The nature of the surface in contact. Question 19. Give two … WebCorrect options are B) and C) The magnitude of the frictional force depends on the weight of the object and roughness of the surface in contact. If the roughness is increased, the …

WebFriction - Mechanical Engineering (MCQ) questions and answers. 1) Which motion has magnitude of static frictional force directly proportional to normal reaction? a. Actual …

Weba) Restoring force b) Friction c) Neither restoring force nor friction d) Both restoring force and friction 1 15 Acceleration due to gravity —-----with altitude. a. Increases b. Decreases c. No change d. None of the above 1 Directions: These questions consist of two statements,each printed as Assertion and Reason. While answering these

WebFeb 9, 2024 · The rate of change of momentum is equal to the force applied. b. For every reaction, there is an opposite reaction. c. The body tends to be rotated if the force is applied tangentially. d. The body is rest until a force is applied. Ans8. (b) For every reaction, there is an opposite reaction. chest pain with back pain and headacheWebOct 3, 2024 · Force and Pressure Class 8 MCQs Questions with Answers Choose the correct option. Question 1. The pressure which is exerted by air around us is known as (a) force (b) atmospheric pressure (c) muscular … chest pain with bisoprololWeb15 Questions Show answers. Question 1. 120 seconds. Q. A 220 Kg crate is pushed horizontally with a force of 700 N. If the coefficient of kinetic friction is 0.20, calculate the acceleration of the crate. answer choices. 1.02 m/s 2. good scary movies to watch for kidsWebMultiple Choice Questions (MCQ) for Force of Friction - ICSE Class 6 Physics on Topperlearning. These MCQ's are extremely critical for all ICSE students to score better … good scary movies to watch for teenagersWebApr 2, 2024 · Now the friction between two bodies depends on the force with which they slide over one another. The mass of a body decides the gravitational force that one object applies on the other object. Therefore, greater the mass of the object, more is the friction due to weight of the object. chest pain with birth control pillsWebClass 8 Science students should refer to the following multiple-choice questions with answers for Friction in standard 8. These MCQ questions with answers for Grade 8 … chest pain with bending forwardWebOct 3, 2024 · Answer. Question 6. Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play. (a) only if the objects are solid. (b) only if one of the two objects is liquid. (c) only if one of the two objects is … chest pain with bowel movement