Question

a brass rod of cross section 2 cm *2 cm is heated through 10 c and prevented from expansion . the thermal force exerted on the clamp

Answer 1

Answer:

1600

Explanation:

Y= A

F

​  

 

​  

 

∴F=YA  

L

ΔL

​  

=YAαΔT

F=(2×10  

10

)×(4×10  

−4

)(2×10  

−5

×(10−0))=8×10  

6

×(2×10  

−4

)=1600N

Hence, the thermal force exerted on the clamp is 1600 N