1. A force of 42 N is needed to start a box sliding across the floor. The weight of the box is 55 N. Draw all the forces acting on the box. a. How large is the force of friction? F-fmax 0 fmax=f F-f-0 42N-f-0 fmax:42N Answer b. Is the fritional force stotic or kinetic? The frictional force is static because | e. What is the coefficient of friction? fy=0 fn-w-0 FN=W=55N u=42/55 u O 764

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please help me explain why my the frictional force is static and also please draw all the forces acting on the box (free body diagram)
1. A force of 42 N is needed to start a box sliding across the floor. The
weight of the box is 55 N. Drow all the forces acting on the box.
a. How large is the force of friction?
F-fmax 0
fmax=f
F-f-0
42N-f-0
fmax-D42N -
Answer
b.Is the frictional force static or kinetic2
The frictional force is statc because |
What is the coefficient of friction?
fy-0
Fn-w=D0
FN=W=55N
u=42/55
us=0.764
-Answer
Transcribed Image Text:1. A force of 42 N is needed to start a box sliding across the floor. The weight of the box is 55 N. Drow all the forces acting on the box. a. How large is the force of friction? F-fmax 0 fmax=f F-f-0 42N-f-0 fmax-D42N - Answer b.Is the frictional force static or kinetic2 The frictional force is statc because | What is the coefficient of friction? fy-0 Fn-w=D0 FN=W=55N u=42/55 us=0.764 -Answer
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