Question

13) Two blocks connected by a rope of negligible mass are being dragged by a horizontal force (Fig. P5.13). Suppose F = 68.0 N, $m_1$ = 12.0 kg, $m_2$ = 18.0 kg, and the coefficient of kinetic friction between each block and the surface is 0.100. a) Draw a free-body diagram for each block. Determine (b) the acceleration of the system and c) the tension T in the rope. $m_1$ T $m_2$ $\vec{F}$ Fig P5.13 d) Determine the acceleration of the system if everything is the same as given in the text, except that the force, $\vec{F}$, instead of being horizontal, is directed at an angle of 30.0 degrees above the horizontal.

          13) Two blocks connected by a rope of
negligible mass are being dragged
by a horizontal force (Fig. P5.13).
Suppose F = 68.0 N, $m_1$ = 12.0 kg,
$m_2$ = 18.0 kg, and the coefficient
of kinetic friction between each
block and the surface is 0.100.
a) Draw a free-body diagram for
each block. Determine (b) the
acceleration of the system and
c) the tension T in the rope.
$m_1$      T      $m_2$     $\vec{F}$
Fig P5.13
d) Determine the acceleration of
the system if everything is the same
as given in the text, except that the
force, $\vec{F}$, instead of being horizontal, is
directed at an angle of 30.0 degrees
above the horizontal.

13) Two blocks connected by a rope of
negligible mass are being dragged
by a horizontal force (Fig. P5.13).
Suppose F = 68.0 N, m1 = 12.0 kg,
m2 = 18.0 kg, and the coefficient
of kinetic friction between each
block and the surface is 0.100.
a) Draw a free-body diagram for
each block. Determine (b) the
acceleration of the system and
c) the tension T in the rope.
m1 T m2 F⃗
Fig P5.13
d) Determine the acceleration of
the system if everything is the same
as given in the text, except that the
force, F⃗, instead of being horizontal, is
directed at an angle of 30.0 degrees
above the horizontal.

Added by Jacqueline A.

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