رد: بنك أسئله الفيزيكس.!!
2-tow blocks of mass M=40g and m,are connected by alight string that passes over a massless pullry .if the tension in the string id T=300N.find the calue of m (lgnore friction)
a-24.8 kg
b-40kg
c- 30.5kg
d-28.6kg
answer(24.8kg)
3-a10kg box is lowerd with downward accleration of 1.8m/s2 by means of arope.the trnsion in the rope is
a- 116N
b- 18N
c-80N
d-98N
answer(80N)
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