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Category: Mechanics

Sketch-the-shear-and-moment-diagrams-of-a-simply-supported-beam-of-6m-The-load-on-the-beam-consists-of-UDL-of-15KN-m-over-the-left-half-of-the-span-

Question Number 68222 by necxxx last updated on 07/Sep/19 $${Sketch}\:{the}\:{shear}\:{and}\:{moment}\:{diagrams} \\ $$$${of}\:{a}\:{simply}\:{supported}\:{beam}\:{of}\:\mathrm{6}{m}.{The} \\ $$$${load}\:{on}\:{the}\:{beam}\:{consists}\:{of}\:{UDL}\:{of} \\ $$$$\mathrm{15}{KN}/{m}\:{over}\:{the}\:{left}\:{half}\:{of}\:{the}\:{span}. \\ $$$$ \\ $$ Commented by necxxx last updated…

A-straight-rod-AB-which-is-60cm-long-is-in-equilibrum-when-horizontal-and-supported-at-a-point-C-10cm-from-A-with-masses-6kg-and-1kg-attached-to-the-rod-at-A-and-B-respectively-It-is-also-in-equilib

Question Number 68073 by necxxx last updated on 04/Sep/19 $$\:{A}\:{straight}\:{rod}\:{AB}\:{which}\:{is}\:\mathrm{60}{cm}\:{long},{is} \\ $$$${in}\:{equilibrum}\:{when}\:{horizontal}\:{and} \\ $$$${supported}\:{at}\:{a}\:{point}\:{C},\mathrm{10}{cm}\:{from}\:{A}, \\ $$$${with}\:{masses}\:\mathrm{6}{kg}\:{and}\:\mathrm{1}{kg}\:{attached}\:{to}\:{the} \\ $$$${rod}\:{at}\:{A}\:{and}\:{B}\:{respectively}.{It}\:{is}\:{also}\:{in} \\ $$$${equilibrum}\:{and}\:{horizontal}\:{when}\: \\ $$$${supported}\:{at}\:{another}\:{pivott}\:{at}\:{its}\:{mid}- \\ $$$${point},{with}\:{masses}\:{of}\:\mathrm{2}{kg}\:{and}\:\mathrm{5}{kg}\: \\…

Question-133487

Question Number 133487 by mr W last updated on 22/Feb/21 Commented by mr W last updated on 22/Feb/21 $${a}\:{ball}\:{is}\:{projected}\:{along}\:{the}\:{smooth} \\ $$$${floor}\:{and}\:{returns}\:{back}\:{after}\:{two} \\ $$$${times}\:{impact}\:{with}\:{the}\:{circular}\:{wall}. \\ $$$${if}\:{the}\:{restitution}\:{coefficient}\:{is}\:{e},…

Question-67660

Question Number 67660 by Rio Michael last updated on 29/Aug/19 Commented by Rio Michael last updated on 29/Aug/19 $${The}\:{above}\:\mathrm{2500}{kg}\:{car}\:{tows}\:{a}\:{a}\:{body}\:{of}\:{mass}\:\mathrm{25}{kg}\:\:{and}\:{producing}\:{an}\:{engine}\:{pull} \\ $$$${of}\:\mathrm{5000}{N}.\:{Calculate}\:{the}\:{tension}\:{in}\:{the}\:{spring}\:{pulling}\:{the}\:\mathrm{25}{kg}\:{body}. \\ $$ Commented by…

Question-67655

Question Number 67655 by ajfour last updated on 29/Aug/19 Commented by ajfour last updated on 29/Aug/19 $${If}\:{the}\:{man}\:{can}\:{provide}\:{a}\:{maximum} \\ $$$${acceleration}\:\boldsymbol{{a}}\:{to}\:{the}\:{boxes}\:{while} \\ $$$${he}\:{runs}\:{along},\:{find}\:{the}\:{friction} \\ $$$${coefficient}\:{of}\:{his}\:{shoes}\:{with} \\ $$$${ground}.\:\left({Assume}\:{the}\:{ground}\:{has}\right.…

Question-133056

Question Number 133056 by mr W last updated on 19/Feb/21 Commented by mr W last updated on 18/Feb/21 $${a}\:{ball}\:{is}\:{thrown}\:{from}\:{point}\:{A}\:{with} \\ $$$${speed}\:\boldsymbol{{u}}\:{at}\:{an}\:{angle}\:\boldsymbol{\theta}\:{to}\:{horizontal} \\ $$$${and}\:{strikes}\:{at}\:{a}\:{point}\:{on}\:{the}\: \\ $$$${inclined}\:{plane}\:{and}\:{returns}\:{back}\:{to}…