Question

A nylon rope 2.5cm in diameter has a breaking strength of 2.5cm in diameter has a breaking strength of 1.24*10^5 N. Find the breaking strength of a similar rope 1.25cm

Answer 1

Answer:

As mentioned above, Breaking force F∝r

2

Therefore, we can write,

F

2

F

1

=

r

2

2

r

1

2

Given:F

1

=1.5×10

5

N

r

1

=1 cm

r

2

=0.5 cm

F

2

=

r

1

2

r

2

2

×F

1

F

2

=0.375×10

5

N