Observe you surroundings and give two examples of friction that are useful and two examples of friction that are not useful. In case of useful how you
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Observe you surroundings and give two examples of friction that are useful and two examples of friction that are not useful. In case of useful how you will increase friction and in case of not useful write the method to reduce friction
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- View Policies Current Attempt in Progress In the figure, a slab of mass m, = 44 kg rests on a frictionless floor, and a block of mass m2 = 10 kg rests on top of the slab. Between block and slab, the coefficient of static friction is 0.60, and the coefficient of kinetic friction is 0.40. A horizontal force 101 N begins to pull directly on the block, as shown. In unit-vector notation, what are the resulting accelerations of (a) the block and (b) of magnitude the slab? U = 0- %3D (a) Number i i i Units (b) Number i i j Units eTextbook and Media N Un GO Tutorial Attempts: 0 of 8 used Submit Answer Qu Save for Later tv DIIProblem 14: Using a rope, a man pulls a block of ice across a frozen pond at a constant velocity, as shown in the figure. While they coefficients of static and kinetic friction for ice are low, they are not zero. Consider this problem to involve friction. If necessary, use Fs for the force of static friction, and Fk as the force of kinetic friction. F. Jo Please use the interactive area below to draw the Free Body Diagram for the block of ice. Add Force O Reset All F 45 X F total,x: + (pos) Ftotal,y: + (pos)appropriate work Us ing Person B (seated in a chair with rollers) across the ucceleration of 2 m/sec. A has a mass of 50 kg. B win rope is pulling on B with a force of 180 N. What is of friction acting on B? (Draw a force diagran gnitude and the name of each force.) at is the magnitude and direction of the stati diagram showing the horizontal forces acti orce.)