Activity 4. Friction is the resistance to motion of one object moving relative to another. [1] There are three laws of motion known today. These laws are: (A) frictional force being independent of the area of contact‚ (B) frictional force being proportional to the load‚ and (C) frictional force being independent of the speed of movement. [2] Friction may be subdivided into two types namely Static Friction and Kinetic Friction. Static force of friction is the force of friction between two objects
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Wooden block on various materials e.g. wood on plastic 3. Protractor and wooden block due to the constant changing of positions. 4. Tyres. 5. Body of the car so that car is easily controlled. 6. Replace sliding friction with rolling element friction‚ such as with the use of rolling element bearings or
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Grade 11 Dynamics Lab Report Friction SPH3U1-02 Williams. C. By----James & Hao Feng & Henry Zhang Purpose: By measuring the friction and μ of a container and change different variables including mass‚ surface and gradient‚ get causes of the change of friction and μ. Materials: A container Three Pen bag in different mass A rough wood board A clean desk Rulers Thrust meter. Steps Prepare
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carrying the cutting tool‚ ( or job)‚ move along a predetermines path which may be a straight line (path0 as in lathe and drilling machines or a circular path as in a vertical torrent lathes. - Guide ways with sliding friction are known as slide ways - Guide ways with rolling friction are known as anti frication ways - Slide ways are either attached on the top of the bed or they are an integral part of the bed. Slide ways guide the movement of the slide. The slide is mounted on the sideways‚ sometimes
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1. A book is at rest on a tabletop. A free-body diagram for this situation looks like this: Return to Questions Return to Info on Free-body diagrams Return to on-line Force Description List 2. A girl is suspended motionless from the ceiling by two ropes. A free-body diagram for this situation looks like this: Return to Questions Return to Info on Free-body diagrams Return to on-line Force Description List 3. An egg is free-falling from a nest in a tree. Neglect air resistance. A
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Dr. Raj Das Module Objectives • Introduction of slab analysis (or force balance) method for compression of a block under plane strain • Calculation of pressure distribution‚ average pressure and total force • Role of sliding and sticking friction on the pressure and forces during compression of a block Slab Analysis (or Force Balance) Method • Slab analysis in forging – Compression of a block – Axi-symmetric compression • Slab Analysis in rolling • Slab analysis
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Title: How does a moving cart rolling down a slope? Objectives: Adapt the traditional vertical and horizontal axes to a coordinate system aligned with a slope. Determine the acceleration of a cart that rolling down from a frictionless track (our assumption) by calculating theoretically and measuring experimentally. Compare the experimental and expected values of acceleration. Show that the acceleration of a cart moving down a slope (from frictionless track) is dependent on the angle of the slope
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Supplemental Problems A Glencoe Program Student Edition Teacher Wraparound Edition Teacher Chapter Resources Mini Lab Worksheets Physics Lab Worksheets Study Guide Section Quizzes Reinforcement Enrichment Transparency Masters Transparency Worksheets Chapter Assessment Teacher Classroom Resources Teaching Transparencies Laboratory Manual‚ Student Edition Laboratory Manual‚ Teacher Edition Probeware Laboratory Manual‚ Student Edition Probeware Laboratory Manual‚ Teacher Edition Forensics Laboratory
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gravity. In a free fall environment‚ terminal velocity would not occur‚ because no frictional forces would act on the object to stop it from continuing to accelerate. It this lab situation‚ the force of friction (air resistance) has an effect on the falling object. The air resistance (force of friction) that causes terminal velocity is caused by a few things. The mass‚ the density of the air‚ and the surface area all have an impact on how much air resistance there is. In this lab‚ because the density
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1. What are the two types of friction that affect the performance of your vehicle? The first type of friction that affects the mousetrap car is called rolling friction. This type of friction occurs in between the wheels of the car and the surface of the ground it moves on. The second type is called the sliding friction which occurs in between the axles and the brackets. 2. What problems related to friction did you encounter and how did you solve them? We noticed that at times the car would
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