Related Questions

The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity.
A Zero
B Minimum
C Maximum
D None of these
The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of
A 0.5 r
B 0.6 r
C 0.7 r
D 0.8 r
The centre of gravity of a quadrant of a circle lies along its central radius at a distance of
A 0.2 R
B 0.4 R
C 0.3 R
D 0.6 R
একজন ছাত্র পরীক্ষাগারে অভিকর্ষজ ত্বরণের মান 9.88 m/sec2 নির্ণয় করন। অপর দিকে যখন সে 0.01 kg ভরের কোনো বাটখারাকে স্প্রিং নিক্তিতে ঝুলিয়ে দিল তখন 0.0980 N বল দেখাচ্ছে। তার পরীক্ষা অভিকর্ষজ ত্বরণের ত্রুটি নির্ণয় কর।(A student measured the value of acceleration due to gravity in the laboratory as 9.88 m/sec2. On the other hand, when he hanged a mass of 0.01 kg in the spring balance, then he found 0.0980 N force. Calculate the percentage of error in the measured value of the acceleration due to gravity.)
A -0.716%
B -0.102%
C 0.816%
D 0.102%
E -0.916%
A rectangular field of 200m by 120m has two roads running along its center, one along the length and the other along the width. If the width of the roads is 5m, what is the area covered by the two roads?
A 1575 sq.m.
B 1600 sq.m.
C 1550 sq.m.
D 400 sq.m.
ABCD is a square of side 10. AFC is an are of a circle with the center at D and radius 10. AGC is an are of a circle with the center at B and radius 10. Find the area of AFCG/
A 50 -100pie
B 25 -100 pie
C 100-25 pie
D 100-50pie
Radius of circle center 0 is 3 times the radius of circle center C. Angle ACB -A angle POQ. If the shaded are of circle C is 2 then what is the area of then shaded part of circleO?
A 36
B 9
C 12
D 18
ABCD is a square of side 8 AFC is an are of a cricle with the center at D and radius 8 . AGC is an are of a circle with the center at B and radius 8. Find the area of AFCG.
A 32 pie -32
B 64 pie-64
C 64-32pie
D 32 pie - 64
Center of gravity of a thin hollow cone lies on the axis at a height of
A One-fourth of the total height above base
B One-third of the total height above base
C One-half of the total height above base
D Three-eighth of the total height above the base
The center of gravity of a uniform lamina lies at
A The center of heavy portion
B The bottom surface
C The mid point of its axis
D All of the above

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