The diagram shows a uniform meter rule AB which balances horizontally at the 90cm mark when a mass of 0.2kg is suspended from B. Calculate the mass of the meter rule.

Similar Questions

By what factor will the size of an object placed 10cm from a convex lens be increased if the image i...

The bond between silicon and germanium is ...

Which of the following operations does not represent an action of a force field? ...

A converging lens produces an image four times as large as an object placed 25cm from the lens. Calc...

The specific latent heat of vaporization of a substance is always? ...

A bird flies at 10ms$^{-1}$ for 3s, 15ms$^{-1}$ for 3s and 20 ms$^{-1}$ for 4s. Calculate the ...

A satellite revolving around the earth is kept on its orbit by? ...

In the circuit diagram above, E is a battery of negligible internal resistance. If its emf is 9.0V. ...

Which of the following is used to measure relative humidity? ...

When a light-weight body and a massive body are acted upon by the same force for the same period of ...