Question Number 221919 by fantastic last updated on 12/Jun/25
$${Acable}\:{can}\:{stand}\:{a}\:{maximum}\:{weight}\:{of}\:\mathrm{25kg}\: \\ $$$${If}\:{the}\:{length}\:{of}\:{wire}\:{is}\:{halved}\:{what}\:{is}\:{the} \\ $$$${maximum}\:{weight}\:{thsn}\:{can}\:{be}\:{hung}\:{from}\:{it}?? \\ $$
Commented by mr W last updated on 12/Jun/25
$$\sim\:\mathrm{50}\:{kg} \\ $$
Commented by mahdipoor last updated on 12/Jun/25
$${why}\:{not}\:\mathrm{25}{kg}?\:\sigma=\frac{{W}}{{A}}\:,\:{L}\:{is}\:{not}\:{effect}\:{on}\:\sigma \\ $$
Commented by fantastic last updated on 13/Jun/25
Commented by mr W last updated on 13/Jun/25
$${regular}\:{thinking}:\:\mathrm{25}\:{kg} \\ $$$${out}\:{of}\:{box}\:{thinking}:\:\mathrm{50}\:{kg} \\ $$$$\left({this}\:{is}\:{what}\:{you}\:{may}\:{do},\:{when}\:{you}\right. \\ $$$${have}\:{a}\:{long}\:{cable}\:{which}\:{can} \\ $$$${only}\:{stand}\:\mathrm{25}\:{kg},\:{but}\:{you}\:{have}\:{a} \\ $$$$\left.\mathrm{50}\:{kg}\:{object}\:{to}\:{hang}.\right) \\ $$
Commented by mr W last updated on 13/Jun/25
Commented by fantastic last updated on 13/Jun/25
$${yes} \\ $$