# Question and Answers Forum

Mechanics Questions

Question Number 102096 by aurpeyz last updated on 06/Jul/20

Commented by aurpeyz last updated on 06/Jul/20

$$\mathrm{pls}\:\mathrm{help} \\$$

Commented by mr W last updated on 06/Jul/20

$${mg}\:\mathrm{cos}\:\theta=\mathrm{2}×\mathrm{10}×\mathrm{cos}\:\mathrm{30}°=\mathrm{17}.\mathrm{3}\:{N} \\$$

Commented by Dwaipayan Shikari last updated on 06/Jul/20

$${None}\:{of}\:{the}\:{given}\:{option} \\$$$$\\$$$${mgsin}\mathrm{60}=\mathrm{17}.\mathrm{32}\:{N} \\$$$$\\$$$$\\$$$$\\$$$$\\$$

Commented by aurpeyz last updated on 06/Jul/20

$$\mathrm{thank}\:\mathrm{you}\:\mathrm{Sir}.\:\mathrm{i}\:\mathrm{got}\:\mathrm{the}\:\mathrm{same}\:\mathrm{answer}\:\mathrm{because}\:\mathrm{i}\:\mathrm{thought}\:\mathrm{that}\:\mathrm{equal}\:\mathrm{amount}\:\mathrm{of}\:\mathrm{force}\:\mathrm{should}\:\mathrm{be}\:\mathrm{required}\:\mathrm{to}\:\mathrm{make}\:\mathrm{the}\:\mathrm{object}\:\mathrm{stop}.\:\mathrm{if}\:\mathrm{the}\:\mathrm{stoping}\:\mathrm{force}\:\mathrm{is}\:\mathrm{more}\:\mathrm{it}\:\mathrm{will}\:\mathrm{move}\:\mathrm{the}\:\mathrm{objects}\:\mathrm{backwards} \\$$

Commented by aurpeyz last updated on 07/Jul/20

Commented by aurpeyz last updated on 07/Jul/20

$$\mathrm{someone}\:\mathrm{did}\:\mathrm{this}\:\mathrm{sir}.\:\mathrm{Is}\:\mathrm{it}\:\mathrm{right}? \\$$

Commented by mr W last updated on 07/Jul/20

$${totally}\:{wrong}! \\$$

Commented by aurpeyz last updated on 08/Jul/20

$$\mathrm{thsnk}\:\mathrm{you}\:\mathrm{sir} \\$$