Physics, 13.07.2020 22:01 ayeasley7777
Samantha is refinishing her rusty wheelbarrow. She moves her sandpaper back and forth 45 times over a rusty area, each time moving with a total distance of 0.12 m. Samantha pushes the sandpaper against the surface with a normal force of 2.6 N. The coefficient of friction for the metal/sandpaper interface is 0.92. How much work is done by the normal force during the sanding process
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Samantha is refinishing her rusty wheelbarrow. She moves her sandpaper back and forth 45 times over...
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