Masses,m¹ and m² at the 20-cm and 65-cm marks respectively of a uniform metre rule freely suspended at its centre of gravity. If the metre rule balances horizontally, determine the ratio m² : m¹

Similar Questions

The phenomenon which occurs when light changes direction as it passes from one medium to another is ...

Which of the following quantities is a vector? ...

A short response time is obtained in a liquid-in-glass thermometer when the ...

Which of the following statements are TRUE about frictional force? i. it is always a disadvantage...

A note is called an octave of another note when ...

The half-life of a radio-active element is 9 days, what fraction of atoms has decayed in 36 days? ...

A mass of 0.5kg is whirled in a vertical circle of radius 2m at a steady rate of 2 rev/s. Calculate ...

A machine has an efficiency of 60%. If the machine is required to overcome a load of 30 N with a for...

An object of mass 20kg slides down an inclined plane at an angle of 30o to the horizontal. The coeff...

The lower and upper fixed points of a mercury-in-glass thermometer are marked X and 180 mm respectiv...