Question
Download Solution PDF1 কেজি ভরের একটি বস্তু 10 মি/সেকেন্ড বেগে চলছে। বস্তুর গতিশক্তি নির্ণয় করুন?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFধারণা:
গতিশক্তি (K.E):
- গতির কারণে বস্তুর যে শক্তি থাকে তাকে গতিশক্তি বলে।
- গতিশক্তির অভিব্যক্তি হল
\(KE = \frac{1}{2}m{v^2}\)
যেখানে m = বস্তুর ভর এবং v = বস্তুর বেগ
গণনা:
প্রদত্ত:
ভর (মি) = 1 কেজি।
বেগ (v) = 10 m/s.
গতিশক্তির সমীকরণ দেওয়া হয়,
গতিশক্তি = \({1 \over 2}\times {m \times v^2}\)
\(Kinetic Energy= {1\over2}\times{1 \times 10^2}={100\over2}=50 J\)
∴ বস্তুর গতিশক্তি 50 জুল
∴ সঠিক উত্তরটি হল বিকল্প 4
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