carreenrhoden180
contestada

A force of 7 N is applied to a spring. The spring extends by 0.2 m. Calculate the spring constant of the spring.
Given: Force =
Extension =
Spring constant =
Equation:
Calculations:​

Respuesta :

ra28madlansacay

Answer:

A

(a) 16J

B

(b) 8J

C

(c) 32J

D

(d) 24J

Answer

B

Solution

Small amount of work done in extending the spring by dx is

dW=kxdx

∴W=k∫

0.15

0.05

xdx=

800

2

[(0.15)2-(0.05)2]=8J

Otras preguntas