A steel wire of length 2 metre and cross section 10^-6 m² is held between rigid support with a tension 200 N if the middle point of wire is pulled 5 mm sideway calculate the change in tension also calculate the change in tension if temperature changes by 5 degree Celsius (young modulus of steel wire 2.2×10^11Nm2
Answers
Given:
The the length of wire l=2 m
The area of cross section A= 10⁻⁶ m²
The force acting on the system before F= 200N
The change in temperature is 5
The young modulus of steel be Y=2.2×10¹¹
To find:
The change in the tension after change in temperature
Solution:
The relation between the tension and length is
F'=ΔLAY/l
Putting the above values
F'= 0.005×10⁻⁶×2.2×10¹¹/2
F'=0.005×10⁵
F'=5×10² N
So the tension acting on it is 0.005 N
Answer:
Explanation:
The the length of wire l=2 m
The area of cross section A= 10⁻⁶ m²
The force acting on the system before F= 200N
The change in temperature is 5
The young modulus of steel be Y=2.2×10¹¹
To find:
The change in the tension after change in temperature
Solution:
The relation between the tension and length is
F'=ΔLAY/l
Putting the above values
F'= 0.005×10⁻⁶×2.2×10¹¹/2
F'=0.005×10⁵
F'=5×10² N
So the tension acting on it is 0.005 N