A) 1N
B) 0.5 N
C) 0.98 N
D) 1.96 N
Correct Answer: A
Solution :
During the upward motion \[{{T}_{u}}-mg=ma\] ? (i) During the downward motion \[mg-{{T}_{d}}=ma\] ... (ii) Adding equations, (i) and (ii) we get \[{{T}_{u}}-{{T}_{d}}=2ma=1\,\,N\]You need to login to perform this action.
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