Suppose your friend tells you she has a temperature of 38degreeC. Your temperature is 37degreeC. Do the particles that make up your body or your friend's body have a greater average kinetic energy? Explain.

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It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on