Find the tension in the string surfaces are
smooth
40 kgh
BOKS
30°
30°
Answers
Answered by
9
Answer:
Here, weight of 2kg is perpendicular to motion (or a). Hence, it will not contribute in net pulling force. Only weight of 4kg block will be included.
∴a=
Totalmass
Netpullingforce
=
(4+2)
(4)(10)
=
3
20
m/s
2
For T, consider FBD of 4kg block. Writing equation of motion.
40−T=4a
∴T=40−4a
=40−4
3
20
=
3
40
N
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