ãáÊÞì ÇáÝíÒíÇÆííä ÇáÚÑÈ > ÞÓã ÇáãäÇåÌ ÇáÏÑÇÓíÉ > ÝíÒíÇÁ ÇáãÑÍáÉ ÇáÌÇãÚíÉ. | ||
ÈáííííííííÒ ÓÇÚÏæäí áÇÊÎíÈæä ÑÌÇí Ýíßã |
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ÃÏæÇÊ ÇáãæÖæÚ | ÇäæÇÚ ÚÑÖ ÇáãæÖæÚ |
#1
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ÈáííííííííÒ ÓÇÚÏæäí áÇÊÎíÈæä ÑÌÇí Ýíßã
ãÓÇÇÁ ÇáÎíÑ..
ÇÚÖÇÁ åÐÇ ÇáãäÊÏì áæ ÓãÍ澂 ÇäÇ ßäÊ ãÓÌáå ãä ÞÈá Ýí åÐÇ ÇáãäÊÏì æáßä ÛíÑÑÊ ÇÓãí ÍÇáíÇ Çáãåã ØáÈÊ ãäßã ÞÈá ÝÒÚå æÎíÈ澂 Ùäí åÇáãÑå ÈÔæÝ ÇÐÇ Çä澂 ÞÏåÇ æÇáÇ áÇ ÈáíííÒ ÓÇÚÏæäí ÇäÇ ãä ÌÏ ãÍÊÇÌå ááÍá æÇÎÑ ÊÓáíã ÇáÇËäíä åÐÇ ÑÌÇÁ Çáí íÞÏÑ íÍáå áí ãÇíÞÕÑ æÇááå íÓÚÏå æíÑÒÞå ÈÇááí íÊãäÇå íÇÑÈ ÇÈí ÇáÍá íæã ÇáÇÍÏ ÈÇáßËíÑ ÇÎÑ ãæÚÏ:mommy_cut:ÈáííííííííííííÒ A block of mass m on a rough, horizontal surface is connected to a ball of mass m by a lightweight cord over a lightweight, frictionless pulley as shown. A force of magnitude F at an angle O with the horizontal is applied to the block as shown and blocks slides to the right. The coefficient of kinetic friction between the block and surface is . Determine the magnitude of the acceleration of the two objects? ÓæÑí ÇáÊÕæíÑ ãä ÇáÌæÇá ÚÔÇä ßíÐÇ ãæ æÇÖÍ ÇáÓÄÇá ßÊÈÊå ÝæÞ æÇáÑÓãå ãÕæÑå :fantastic_new: . |
#2
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![]() Fnet = ma
m1g - T -m2g+T=m1+m2.a æÊØÈÞí äÝÓ ÇáÞÇäæä Úáì ßÊáÉ æÇÍÏÉ (ÞÇäæä äíæÊä ÇáËÇäí) æÊÍáí Íá ãÔÊÑß ÞæÉ ÇáÊæÊÑ ÊáÛì ÊÍÓÈí ÇáÊÓÇÑÚ æÇáÞæÉ æÈÇáÊæÝíÞ |
ÇáÐíä íÔÇåÏæä ãÍÊæì ÇáãæÖæÚ ÇáÂä : 1 ( ÇáÃÚÖÇÁ 0 æÇáÒæÇÑ 1) | |
ÇäæÇÚ ÚÑÖ ÇáãæÖæÚ |
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