Menu Close

Category: Mechanics

Question-72803

Question Number 72803 by mr W last updated on 03/Nov/19 Commented by mr W last updated on 03/Nov/19 $${a}\:{ball}\:{is}\:{thrown}\:{from}\:{point}\:{A}\:{with}\:{a} \\ $$$${speed}\:{u}.\:{after}\:{striking}\:{a}\:{point}\:{on}\:{the} \\ $$$${inclined}\:{plane},\:{it}\:{returns}\:{back}\:{to}\:{its} \\ $$$${original}\:{position}.\:{if}\:{the}\:{coefficient}\:{of}…

Question-138336

Question Number 138336 by mr W last updated on 12/Apr/21 Commented by mr W last updated on 12/Apr/21 $${uniform}\:{rod}\:{with}\:{length}\:{L}\:\left(>{s}\right)\:{and}\: \\ $$$${mass}\:{m},\:{cube}\:{with}\:{side}\:{length}\:{s}\:{and}\: \\ $$$${mass}\:{M}.\:{one}\:{end}\:{of}\:{the}\:{rod}\:{is}\:{hinged}.\: \\ $$$${no}\:{friction}.…

Question-72741

Question Number 72741 by Rio Michael last updated on 01/Nov/19 Commented by Rio Michael last updated on 01/Nov/19 $${the}\:{image}\:{above}\:{shows}\:{a}\:{section}\:{of}\:{a}\:{bridge}\:.\: \\ $$$${the}\:{force}\:{acting}\:{vertically}\:{from}\:{P}\:{is}\:\mathrm{400}{N}\:{and}\:{the}\:{force} \\ $$$${acting}\:{horizontally}\:{at}\:{P}\:{is}\:\mathrm{300}{N}. \\ $$$${Find}\:{the}\:{magnitude}\:{of}\:{the}\:{force}\:{X},\:{given}\:{that}\:{the}\:{point}\:{P}\:{is}…

Question-72435

Question Number 72435 by ajfour last updated on 28/Oct/19 Commented by ajfour last updated on 28/Oct/19 $${The}\:{parabolic}\:{surface}\:{is}\:{y}={x}^{\mathrm{2}} . \\ $$$${Find}\:{time}\:{period}\:{of}\:{small}\: \\ $$$${oscillations}\:{of}\:{the}\:{rod}.\: \\ $$$$\left({the}\:{end}\:{wheels}\:{are}\:{small}\right). \\…