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Jayhawk1
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Really not understanding this problem... A 32.4 kg child descends a slide 5.63 m high and reaches the bottom with a speed of 3.54 m/s. How much work is done by friction in this process?
Friction is a force that resists the relative motion between two surfaces in contact. In a process, friction can decrease the efficiency of work by converting some of the energy into heat.
The amount of work done by friction can be calculated by multiplying the force of friction by the distance the object moves in the direction of the force. This is represented by the equation W = Fd.
No, some of the work done by friction can also be converted into sound or other forms of energy. However, the majority of the work done by friction is converted into heat.
Yes, friction can be beneficial in certain processes such as braking in a car or gripping objects. In these cases, friction is used to slow down or stabilize the movement of an object.
The amount of work done by friction can be reduced by using lubricants, smoothing surfaces, or minimizing the contact area between the two surfaces in motion.