A) 10 kg-wt
B) 9.8 kg-wt
C) 49 kg-wt
D) 5 kg-wt
E) 15 kg-wt
Correct Answer: D
Solution :
\[{{f}_{k}}=mg\,\sin \theta =10\times g\times \sin 30{}^\circ \] \[=5g=5\,kg-wt\]You need to login to perform this action.
You will be redirected in
3 sec