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বাংলা
Momentum is defined as:
ভরবেগ (Momentum) কী দ্বারা সংজ্ঞায়িত হয়?
Practice MCQ for SSC, UPSC, RRB Exams
A. Mass × Acceleration
A. . ভর × ত্বরণ
B. Force × Time
B. বল × সময়
C. Mass × Velocity
C. ভর × বেগ
D. Work ÷ Distance
D. কাজ ÷ দূরত্ব
Correct Answer: C
সঠিক উত্তর: C
Explanation
ব্যাখ্যা
Correct Answer: C) Mass × Velocity
Momentum
is defined as the product of an object’s
mass
and
velocity
.
Mathematically, momentum is expressed as
p = m × v
.
Since velocity has both
magnitude and direction
, momentum is also a
vector quantity
.
Force × Time
represents
impulse
, not momentum.
Mass × Acceleration
gives
force
(Newton’s second law).
Work ÷ Distance
gives
force
, not momentum.
সঠিক উত্তর: C) ভর × বেগ
ভরবেগ
হলো কোনো বস্তুর
ভর
এবং
বেগ
-এর গুণফল।
গাণিতিকভাবে ভরবেগ প্রকাশ করা হয়
p = m × v
দ্বারা।
যেহেতু
বেগের মান ও দিক উভয়ই থাকে
, তাই ভরবেগ একটি
ভেক্টর রাশি
।
বল × সময়
হলো
ইমপালস
, ভরবেগ নয়।
ভর × ত্বরণ
থেকে
বল
পাওয়া যায়।
কাজ ÷ দূরত্ব
থেকেও
বল
নির্ণয় করা হয়।
Related Questions
সম্পর্কিত প্রশ্ন
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