Asked by Allyson
The force F required to stretch a string varies directly with the amount the string is stretched, S. 32 pounds is needed to stretch a string 4 inches..
A) Write a direct variation equation that relates F and S.
Answer: 32=F*S+4 is what I think.. Most likely wrong.
B) How much force is required to stretch a string 20 inches?
Answer: well, first. I would need to have my equation right.
What I think I need help with: Could I please have somebody help me fix my equation so I could solve for B? Cause I don't think my equation is right.
Thanks!
Allyson.
A) Write a direct variation equation that relates F and S.
Answer: 32=F*S+4 is what I think.. Most likely wrong.
B) How much force is required to stretch a string 20 inches?
Answer: well, first. I would need to have my equation right.
What I think I need help with: Could I please have somebody help me fix my equation so I could solve for B? Cause I don't think my equation is right.
Thanks!
Allyson.
Answers
Answered by
bobpursley
A: force= constant*distance
constant= force/distance= 32/4 in pounds/inch
B: Force= (32/4)*20
constant= force/distance= 32/4 in pounds/inch
B: Force= (32/4)*20
Answered by
Allyson
Thank you.
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