Asked by Matt
Draw a free body diagram and Apply Newton's 2nd law in both direction.
60 kg chair is pulled along a rough horizontal surface under the action of a 200N force 30 degrees up from horizontal, as shown the acceleration of the chair is 1.5 m/s^2.
a) Determine the normal force on the chair.
b) Determine the frictional force acting on the chair.
c) Determine the coefficient of friction between the chair and the surface.
60 kg chair is pulled along a rough horizontal surface under the action of a 200N force 30 degrees up from horizontal, as shown the acceleration of the chair is 1.5 m/s^2.
a) Determine the normal force on the chair.
b) Determine the frictional force acting on the chair.
c) Determine the coefficient of friction between the chair and the surface.
Answers
Answered by
Henry
a. Fn = Mg-200*sin30.
b. 200*Cos30-Fk = M*a.
Fk = ?.
c. u = Fk/Fn
b. 200*Cos30-Fk = M*a.
Fk = ?.
c. u = Fk/Fn
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