16.1 A conveyor system is fitted with vertical panels, and a 300mm rod
AB of mass 2.5 kg is lodged between two panels as shown. KnoWing
2
that the acceleration of the system is 1.5 m/s to the left, determine
(a) the force exerted on the rod at C, (b) the

l
I,·= 12 bh3
T. = l.b3h
y
12
I,=l.bh3
Rectangle
3
Iy = tb3h
.!.bh(b2 + h2 )
Jc =12
[, =
Triangle
r
x'
h
3
l_bh 3
36
Ir = l.bh3
12
X
Circle
X
Semicircle
X
Quarter circle
X

Ellipse
Fig. 9.12
1

1
I,= 4 1rab 3
b
X
Iy =4 7Ta3b
J0 =~ 7Tab(a2 + b 2)
4
Mom
cords as
15.30 A pulley and two loads are connected by inextensible 2
shown. Load A has a constant acceleration of 300 mm/s and an
initial velocity of 240 mm/s, both directed upward. Determine
(a) the number of revolutions executed by the pulley in 3 s, (
13.155 The coefficient of restitution between the two collars is known to
2 m/s
be 0.80. Determine (a) their velocities after impact, (b) the energy
loss during impact.
13.156 Collars A and B, of the same mass m, are moving toward each
other with the velo