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স্ট্রাকচারাল মেকানিক্স MCQ
1. The angular velocity (in rad/s) of a body rotating at N revolutions per minute is-
πn/60
πn/180
2πn/60
2πn/180
2. জাতির পিতা বঙ্গবন্ধু শেখ মজিবুর রহমানের সহধর্মীনিকে কোন নামে অভিহিত করা হয়?
বঙ্গজননী
বঙ্গমাতা
বঙ্গজায়া
বঙ্গমায়া
3. The range of a projectile is maximum, when the angle of projection is-
30°
60°
45°
90°
4. When the spring of a watch is wound, it will possess-
a strain energy
heat energy
kinetic energy
electrical energy
6. The maximum velocity of a particle moving with simple harmonic motion is-
ω
ω^2 г
.ω/г
ωг
7. নিচের কোন গ্রন্থটি বঙ্গবন্ধু কর্তৃক রচিত নয়
অসমাপ্ত আত্মজীবনী
আমার দেখা রাজনীতির পঞ্চাশ বছর
কারাগারের রোজনামচা
আমার দেখা নয়াচীন
8. The velocity of a particle moving with simple harmonic motion is....at the mean position-
zero
equal
minimum
maximum
9. The force applied on a body of mass 100kg to produce an acceleration of 5m/s², is-
20N
500N
100N
none of these
10. The slope on the road surface generally provided on the curve is known as-
angle of friction
angle of banking
angle of repose
none of these
11. The rate of doing work is known as-
potential energy
power
kinetic energy
none of these
12. The linear velocity of a body rotating at o rad/s along a circular path of radius r is given by-
ω.г
ω/г
ω^2/г
ω^2 г
14. The potential energy of a vertically raised body is -----the kinetic energy of a vertically falling body.
equal to
greater than
less than
15. In order to double the period of simple pendulum, the length of the string should be-
halved
quadrupled
doubled
tripled
17. The maximum acceleration of a particle moving with simple harmonic motion is-
ω
ω.г
ω^2 г
ω/г
18. প্রি-টেনশনিং কাজে ব্যবহৃত ওয়্যার-এর ব্যাস-
1-3mm
8-10mm
1.5-8mm
8.5-15mm