25 A plank AB 3.0 m long weighing 20 kg and
with its centre of gravity 2.0 m from the end A
ca...
Physics, 28.03.2021 01:00 shikiaanthony
25 A plank AB 3.0 m long weighing 20 kg and
with its centre of gravity 2.0 m from the end A
carries a load of mass 10 kg at the end A. It
tests on two supports at C and D as shown in
RIA
R2
2.0 m
A
D
B
50 cm
28
50 cm
10 kg
Fig. 4.49
Ti) Compute the values of the reaction
forces R, and R2 at C and D.
2
Answers: 1
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