HARD
11th Telangana Board
IMPORTANT
Earn 100

A 2 cm cube of some substance has its upper face displaced by 0.15 cm due to a tangential force of 0.3 N while keeping the lower face fixed. Calculate the rigidity  modulus of the substance. 

Important Questions on Mechanical Properties of Solids

EASY
11th Telangana Board
IMPORTANT
State the units and dimensions Of Young's modulus.
EASY
11th Telangana Board
IMPORTANT
State the units and dimensions of modulus of rigidity. 
MEDIUM
11th Telangana Board
IMPORTANT
Explain why steel is preferred to copper, brass, aluminium in heavy-duty machines and in structural designs.
EASY
11th Telangana Board
IMPORTANT
A spherical ball of volume 1000 cm3 is subjected to a pressure of 10 Atmosphere. The change in volume is 10-2 cm3. If the ball is made of iron, find its bulk modulus. 
1 atmosphere=1×105 N m-2
MEDIUM
11th Telangana Board
IMPORTANT

A copper cube of side of length 1 cm is subjected to a pressure of 100 atmosphere. Find the change in its volume if the bulk modulus of copper is 1.4×1011 N m-2

1 atmosphere=1×105 Nm-2

MEDIUM
11th Telangana Board
IMPORTANT
Determine the pressure required to reduce the given volume of water by 2%. Bulk modulus of water is 2.2×109 N m-2
MEDIUM
11th Telangana Board
IMPORTANT
A steel wire of length 20 cm is stretched to increase its length by 0.2 cm. Find the lateral strain in the wire if the Poisson's ratio for steel is 0.19.
MEDIUM
11th Telangana Board
IMPORTANT
Four identical hollow cylindrical columns of mild steel support a big structure of mass 50,000 kg. The inner and outer radii of each column are 30 cm and 60 cm respectively. Assuming the load distribution to be uniform, calculate the compressional strain of each column.