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good and yes I agree we need positivity
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she could have drink water an hour before she had done her exercise. She shouldn't drink water during her exercise this could cause cramps. Since, she hadn't started her exercise dehydrated she had a great workout.
I AM CONFUSED?!!!!!!!!!!!!!!
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<u>Static</u><u> </u><u>friction</u><u> </u><u>:</u>
The frictional force resists force that is applied to an object, and the object remains at rest until the force of static friction is overcome. In kinetic friction, the frictional force resists the motion of an object.
<u>Rolling</u><u> </u><u>friction</u><u> </u><u>:</u>
Rolling friction occurs when a wheel, ball, or cylinder rolls freely over a surface, as in ball and roller bearings. The main source of friction in rolling appears to be dissipation of energy involved in deformation of the objects.