9. A dynamometer D is attached to two blocks of
masses 6 kg and 4 kg as shown in the figure.
The reading of the dynamometer is
6 kg
4 kg
50 N4
→30 N
Dynamometer
(1) 18N
(2) 28N
(3) 38 N
(4) 48 N
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Answer:
,the answer is 48 OK better
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