N2T.10 The drawing below is supposed to be a free-bodydiagram of a box that sits without slipping on the back ofa truck that is moving to the right but is slowing down. Isthe diagram correct?FNFSFA. YesB. No, FsF should point leftward.C. No, the FSF label should be FKFD. No, there should be a leftward drag force.E. No, FN should not be equal to Fgl.F. No, there is some other problem (specify).

Question
Asked Oct 23, 2019
N2T.10 The drawing below is supposed to be a free-body
diagram of a box that sits without slipping on the back of
a truck that is moving to the right but is slowing down. Is
the diagram correct?
FN
FSF
A. Yes
B. No, FsF should point leftward.
C. No, the FSF label should be FKF
D. No, there should be a leftward drag force.
E. No, FN should not be equal to Fgl.
F. No, there is some other problem (specify).
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N2T.10 The drawing below is supposed to be a free-body diagram of a box that sits without slipping on the back of a truck that is moving to the right but is slowing down. Is the diagram correct? FN FSF A. Yes B. No, FsF should point leftward. C. No, the FSF label should be FKF D. No, there should be a leftward drag force. E. No, FN should not be equal to Fgl. F. No, there is some other problem (specify).

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Expert Answer

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From the given condition for the motion of truck, there are the forces acting on the box are as, the gravitational force, that is the weight of the box acts downward, the normal reaction by the surface on the box acts upward, that equals the weight of the box because there is no other forces along the vertical direction.

 

And a static...

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