Home
Class 9
PHYSICS
Find the area of cross-section of a ro...

Find the area of cross-section of a rod the diameter of which is measured with a screw gauge with readings as shown in the figure

Text Solution

Verified by Experts

`(i) d_(1) =(1//2) ` of a metre =distance of 2 kg from the support
(ii) `d_(2) (1//4)` of a metre
(iii) Find `W_(2)` using the theorem of moments i.e., `w_(1)d_(1)= w_(2)d_(2)`
(iv) Mass =4 kg
Promotional Banner

Similar Questions

Explore conceptually related problems

The erros that always occur in the measurement with screw gauge is

The random error which exists invariably in screw gauge is

Three rods of the same length and the same area of the cross-section are joined. The temperature of two ends one T_(1) and T_(2) as shown in the figure. As we move along the rod the variation of temperature are as shown in the following [Rods are insulated from the surrounding except at the faces]

What is the reading of micrometer screw gauge shown in figure

Two rods of copper and iron with the same cross sectional area are joined at S and a steady current i flows through the rods as shown in the figure Choose the most appropriate representation of charges accumulated near the junction S .

What is the reading of micrometer screw gauge shown in figure?

The diameter of a rod as measured by a screw gauge of pitch 0.5 mm is 8.3 mm . The pitch scale reading is "______"

A uniform rod of mass M and length L, area of cross section A is placed on a smooth horizontal surface. Forces acting on the rod are shown in the digram Ratio of elongation in section PQ of rod and section QR of rod is

A uniform rod of mass M and length L, area of cross section A is placed on a smooth horizontal surface. Forces acting on the rod are shown in the digram Ratio of elastic potential energy stored in section PQ and section QR of the rod is