PPT-CHARACTERISTICS OF DRY FRICTION & PROBLEMS INVOLVING DRY FRICTION

InClass Activities Check Homework if any Reading Quiz Applications Characteristics of Dry Friction Problems Involving Dry Friction Concept Quiz Group Problem Solving Attention Quiz. drip dry or dry flat No Steam added to iron Iron Short Cycle Low Heat No Steam Finishing Reduced Moisture Petroleum Solvent Only Any Solvent Except Trichloroethylene Dryclean 200C 390F High 150C 300F Medium 110C 230F Low This chart illustrates care b Draw a FBD including friction c Solve problems involving friction brPage 2br READING QUIZ 1 A friction force always acts to the contact surface A normal B at 45 C parallel D at the angle of static friction 2 If a block is stationary then the fric What do you Remember about Friction?. What do you Remember about Friction?. Friction opposes motion. Friction is dependent on the texture of the surfaces. Friction is dependent on normal force. motion. Friction. Friction is a force that opposes the motion, or tendency of motion, of an object.. Friction is caused . mostly by . the . electromagnetic . interactions of particles within molecules at the surfaces of objects in contact. While these interactions can be rather complex, their combined effects can be reasonably approximated with a decent amount of consistency.. 2. Objectives. . Students must be able to. Utilize theory of dry friction. Describe . theory of dry friction. . Describe . physical meanings. of frictional effects. Describe and differentiate between . What factors affect (the size of) friction?. Survey says:. Surface texture. Surface material. Surface area. Speed of slide. Mass. Weight. Angle of surface. Normal Force. What is the mathematical relationship between…... . Students must be able to. Utilize theory of dry friction. Describe . theory of dry friction. . Describe . physical meanings. of frictional effects. Describe and differentiate between . static and kinetic coefficients of friction. Homework, if any. Reading Quiz. Applications. . Characteristics of Dry Friction. Problems . involving . Dry Friction. Concept Quiz. Group Problem Solving. Attention Quiz. Today’s Objective. :. The amount of friction depends on...... Surface Roughness. Forces pushing the two surfaces together.. Types of Friction. https://app.discoveryeducation.com/player/view/assetGuid/72E28A59-0EAB-4EC9-A097-365513460023. In terms of tuxedo suits or business suits, taking help from the dry cleaning service is highly recommended.

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