Related Questions

A circular wheel 28 inches in diameter rotates (moves) the same number of inches per second as a circular wheel 35 inches in diameter. If the smaller wheel makes x revolutions per second, how many revolutions per minute does the larger wheel make in terms of x?
A 12x
B 48x
C 24x
D 36x
A circular wheel 28 inches in diameter rotates the same number of inches per second as a circular wheel 35 inches in diameter. If the smaller wheel makes x revolutions per second, how many revolutions per minutes does the larger wheel make in terms of x?
A 12x
B 24x
C 36x
D 48x
For a fluid rotating at constant angular velocity about vertical axis as a rigid body, the pressure intensity varies as the
A Square of the radial distance
B Radial distance linearly
C Inverse of the radial distance
D Elevation along vertical direction
The diameter of the driving wheel of a bus is 140 cm. How many revolutions per minute must the wheel make in order to keep a speed of 66 km per hour?
A 200
B 250
C 300
D 350
A disc is a spinning with an angular velocity $$\omega $$ rad/s about the axis of spin. The couple applied to the disc causing precession will be (where $$I$$ = Mass moment of inertia of the disc and $$\omega {\text{P}}$$  = Angular velocity of precession of the axis of spin)
A $$\frac{1}{2}I{\omega ^2}$$
B $$I{\omega ^2}$$
C $$\frac{1}{2}I\omega \omega {\text{P}}$$
D $$I\omega \omega {\text{P}}$$
A bicycle has two wheels of 120 cm and 40 cm in diameters. when the large wheel makes 10 revolutions , how many revolutions does the small wheel make in that time?
A 18%
B 24%
C 29%
D 30%
A bicycle has two wheels (one large and one small) of 120 cm and 40 cm in diameters. When the large wheel makes 10 revolutions, how many revolutions does the small wheel make in that time?
A 15
B 20
C 30
D 40
A person rides a bicycle round a circular path of radius 50 m. The radious of the wheel of the bicycle is 50 cm. The cycle comes to the starting point for the first time in 1 hour. what is the number of revolutions of the revolutions of the wheel in 15 minutes?
A 20
B 25
C 30
D 35
কি পরিমান টর্কের ক্রিয়ায় 250 kgm2 জড়তার ভ্রামকের কৌণিক ত্বরণ 4 rads-2 হবে ?
A 200 Nm
B 300 Nm
C 1000 Nm
D 1200 Nm
একটি চাকার ভর 5kg এবং চক্রগতির ব্যাসার্ধ 0.2m, চাকাটিতে 2 rads-2 কৌনিক ত্বরণ সৃষ্টি করতে কত টর্ক লাগবে ?
A 0.4 N-m
B 1 N-m
C 5 N-m
D 10 N-m

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