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ফুড ইঞ্জিনিয়ারিং

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1321. MCQPractice set · Question 2

Centripetal acceleration-এর direction কী?

a.
radially inward
b.
radially outward
c.
tangent
d.
velocity-এর same direction সবসময়

Correct answer: a

a_c কেন্দ্রের দিকে inward acceleration।

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1322. MCQPractice set · Question 3

Centripetal acceleration-এর formula কোনটি?

a.
v²/r
b.
vr
c.
r/v²
d.
v/r²

Correct answer: a

Uniform circular motion-এ a_c=v²/r।

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1323. MCQPractice set · Question 4

Angular velocity দিয়ে centripetal acceleration কী?

a.
rω²
b.
rω
c.
ω/r
d.
r/ω²

Correct answer: a

v=rω বসালে a_c=v²/r=rω²।

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1324. MCQPractice set · Question 5

Centripetal force-এর formula কোনটি?

a.
mv²/r
b.
mvr
c.
mr/v²
d.
mv/r²

Correct answer: a

F_c=ma_c=m v²/r।

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1325. MCQPractice set · Question 6

Angular velocity দিয়ে centripetal force কী?

a.
mrω²
b.
mω/r
c.
mr/ω²
d.
m+rω

Correct answer: a

F_c=m(rω²)=mrω²।

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1326. MCQPractice set · Question 7

Centripetal force-এর SI unit কী?

a.
newton
b.
joule
c.
watt
d.
pascal

Correct answer: a

এটি force, তাই SI unit newton।

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1327. MCQPractice set · Question 8

Centripetal force কি নতুন কোনো আলাদা force?

a.
না, inward net force-এর নাম
b.
হ্যাঁ, সবসময় আলাদা force
c.
শুধু magnetic force
d.
শুধু friction

Correct answer: a

Centripetal force কোনো নতুন force নয়; existing forces-এর net inward component।

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1328. MCQPractice set · Question 9

Centripetal force-এর উদাহরণ কোনটি?

a.
string tension in circular motion
b.
শুধু weight সবসময়
c.
শুধু normal force
d.
শুধু buoyancy

Correct answer: a

String-এর tension inward force হিসেবে centripetal role নিতে পারে।

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1329. MCQPractice set · Question 10

Horizontal circular motion-এ string tension কী করতে পারে?

a.
centripetal force
b.
centrifugal force only
c.
zero force
d.
gravity cancel সবসময়

Correct answer: a

String tension centre-এর দিকে থাকলে সেটিই centripetal force।

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1330. MCQPractice set · Question 11

Planet-এর circular orbit-এ centripetal force কে দেয়?

a.
gravitational force
b.
friction
c.
normal reaction
d.
air resistance

Correct answer: a

Planet-এর inward gravitational attraction centripetal force হিসেবে কাজ করে।

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