Asked by Anonymous
f a 20.8 N horizontal force must be applied to slide a 10.1 kg box along the floor at constant velocity what is the coefficient of sliding friction between the two surfaces?
Answers
Answered by
Henry
Wb = m*g = 10.1kg * 9.8N/kg = 98.98 N.=
Wt. of box.
Fb = 98.98N @ 0 Deg. = Force of box.
Fp = 98.98*sin(0) = 0 = Force parallel to floor.
Fv = 98.98*cos(0) = 98.98 N. = Force perpendicular to floor.
u = Coefficient of friction.
Fn = Fap - Fp - u*Fv = ma. a = 0.
20.8 - 0 - u*98.98 = 0. a = 0.
-98.98u = -20.8
u = -20.8 / -98.98 = 0.21.
Wt. of box.
Fb = 98.98N @ 0 Deg. = Force of box.
Fp = 98.98*sin(0) = 0 = Force parallel to floor.
Fv = 98.98*cos(0) = 98.98 N. = Force perpendicular to floor.
u = Coefficient of friction.
Fn = Fap - Fp - u*Fv = ma. a = 0.
20.8 - 0 - u*98.98 = 0. a = 0.
-98.98u = -20.8
u = -20.8 / -98.98 = 0.21.
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