A) 10N
B) 20 N
C) 32 N
D) 40 N
Correct Answer: B
Solution :
From Newtons law, the force (F) is given by F = Ma where a is acceleration and M the mass. Given, \[M={{m}_{1}}+{{m}_{2}}+{{m}_{3}}\] \[=10+6+4=20\,kg\], F= 40 N \[\therefore \] \[a=\frac{F}{M}=\frac{40}{20}=2\,m/{{s}^{2}}\] Tension between 10 kg and 6 kg masses is given by \[{{T}_{2}}=({{m}_{2}}+{{m}_{3}})a\] \[=(6+4)2\] \[=10\times 2=20\,N\]You need to login to perform this action.
You will be redirected in
3 sec