08ce phy mcQ5..
有冇人識,可以講解一下嗎?
08ce phy mcQ5
2010-04-15 12:00 am
回答 (2)
2010-04-15 5:22 am
2010-04-15 12:47 am
Q5
Ans is C
Let T be the tension and m be the mass of each block.
Consider the whole system,
(10-4)=(m+m)a
6=2ma
ma=3N ----(1)
Consider block A,
(10-T)=ma -----(2)
From (1)and(2),
(10-T)=3
T =7N
Ans is C
Let T be the tension and m be the mass of each block.
Consider the whole system,
(10-4)=(m+m)a
6=2ma
ma=3N ----(1)
Consider block A,
(10-T)=ma -----(2)
From (1)and(2),
(10-T)=3
T =7N
參考: solution
收錄日期: 2021-04-13 17:11:36
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100414000051KK00711