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1 year ago

a crowbar of 2 meter is used to lift an object of 800N if the effort arm is 160cm , calculste the effort applied

Physics

1 answer:

Vitek1552 [10]1 year ago

5 0

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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Answer:

Bank angle = 35.34o

Explanation:

Since the road is frictionless,

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Tan ( bank angle) = 40^2/(230*9.81)

Tan (bank angle) = 0.7091

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1 year ago

Two large, flat metal plates are separated by a distance that is very small compared to their height and width. The conductors a

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Answer:

E=0

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E=\sigma/2\varepsilon-(-\sigma/2\varepsilon)

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1 year ago

On her way home from work, Brenda drove 20 miles at 60 miles per hour. Due to poor weather conditions, she then reduced her spee

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Answer:

Explanation:

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her time for the first journey = 20 miles / 60 miles/hr = 1/3 hr

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Answer:

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