a boy exerts a force of 224 n on a lever to raise a 1250 n rock a distance of.13m. a.if the...
TRANSCRIPT
CH 8 Homework
1.
Identify what you’re given
1.
2.
Identify what you’re given
2.
Identify what you’re given
3. A boy exerts a force of 224 N on a lever to raise a 1250 N rock a distance of .13m.
A. If the efficiency of the lever is 88.7%, how far did the boy move his end of the lever?
B. If the lever is 3 m long, how far is the boy from the fulcrum?
3. A boy exerts a force of 224 N on a lever to raise a 1250 N rock a distance of .13m.
A. If the efficiency of the lever is 88.7%, how far did the boy move his end of the lever?
3. A boy exerts a force of 224 N on a lever to raise a 1250 N rock a distance of .13m.
B. If the lever is 3 m long, how far is the boy from the fulcrum?
