Question Number 32158 by omoosun last updated on 20/Mar/18
$${an}\:{elevator}\:{of}\:{mass}\:\mathrm{250}{kg}\:{is}\:{carrying}\:\mathrm{3}\:{person}\:{whose}\:{masses}\:\mathrm{60}{kg},\:\mathrm{80}{kg},\:\mathrm{100}{kg}\:{and}\:{the}\:{force}\:{exacted}\:{by}\:{the}\:{motion}\:{is}\:\mathrm{5000}{N}. \\ $$$$\left.{a}\right)\:{With}\:{what}\:{acceleration}\:{will}\:{the}\:{elevator}\:{ascend} \\ $$$$\left.{b}\right)\:{Starting}\:{from}\:{rest},{how}\:{far}\:{will}\:{it}\:{go}\:{in}\:\mathrm{5}{s}. \\ $$$$\left({acceleration}\:{to}\:{gravity}\:{G}=\mathrm{9}.\mathrm{8}{ms}^{−\mathrm{2}} \right). \\ $$