a crowbar of 2 meter is used to lift an object of 800N if the effort arm is 160cm , calculste the effort applied
1 answer:
Answer:
200 N
Explanation:
The crowbar is 2 meter, or 200 cm. The effort arm is 160 cm, so the moment arm of the object is 40 cm.
(800 N) (40 cm) = F (160 cm)
F = 200 N
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The astronaut will get a velocity 0.064ms−1 opposite to the direction of the object.
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Answer:
1.5m
Explanation:
150÷100=1.5
Work done ÷force
- Fossil fuels are found most of the part of the world .
- It can be found easily by the people.
- It is free of cost or low cost.
- Thats why people can find it easily and in low cost.
- Also it is easy to use
- So fossil fuel has been used more in existing world
You can conclude that the force of static friction acting on the boxcar is equal to 200N while you're pushing on it.
