Question
Download Solution PDFवस्तुमान 150 किलोग्रॅमची वस्तू 10 ms-1 ते 20 ms-1 च्या वेगापासून 10 s मध्ये एकसमान प्रवेग करते. वस्तुवर लावलेल्या बलाचे परिमाण शोधा.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना :
- बल: वस्तूवर लागू केल्यानंतर जी परस्परक्रिया बदलते किंवा शरीराच्या विश्रांतीची स्थिती किंवा गतीची स्थिती बदलण्याचा प्रयत्न करते त्याला बल म्हणतात.
बल (F) = वस्तुमान (m) × प्रवेग (a)
गतीची तीन समीकरणे आहेत :
V = u + at
V 2 = u 2 + 2 a S
\({\text{S}} = {\text{ut}} + \frac{1}{2}{\text{a}}{{\text{t}}^2}\)
जेथे, V = अंतिम वेग, u = प्रारंभिक वेग, s = गती अंतर्गत शरीराद्वारे प्रवास केलेले अंतर, a = गती अंतर्गत शरीराचे प्रवेग, आणि t = गती अंतर्गत शरीराने घेतलेला वेळ.
गणना :
दिलेले आहे की:
वस्तूचे वस्तुमान (m) = 150 किग्रॅ.
घेतलेला वेळ (t) = 10 सेकंद.
⇒ प्रारंभिक वेग = 10 मीटर/सेकंद.
⇒ अंतिम वेग = 20 मीटर/सेकंद.
V = u + at वापरा
20 = 10 + a × 10
तर a = 1 m/s2
बल = m a = 150 × 1 = 150 N
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