द्रव यांत्रिकी पृष्ठ तनाव श्यानता प्रश्न 23
प्रश्न: निम्नलिखित में से कौन-सा मान पृथ्वी द्वारा 1 kg द्रव्यमान के पिण्ड पर लगने वाले गुरुत्वाकर्षण बल का सही मान है?
विकल्प:
A) 8.9 N
B) 9.8 N
C) 89 N
D) 98 N
Show Answer
उत्तर:
सही उत्तर: B
BETA
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