Physics

Physics, 29.07.2019 08:30, heavenwatkins789

If it takes 320 n of force to push a box up a ramp, yet it would take 1,600 n of force to lift the box straight up, what is the mechanical advantage of the ramp? o a. 0.2 o b. 4 o c. 5 o d. 40

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Physics, 26.06.2019 09:00, amusgrave2775

Choose all of the statement below that are correct concerning mechanical advantage. you apply a force of 50 n to a shovel. the shovel applies a force of 500 n to the weed. the mechanical advantage is 10. you apply a force 10 n to a lever which forces a television to lift with a force of 20 n. the mechanical advantage is 200. it is possible to use a simple machine and gain no mechanical advantage no simple machine can every supply a mechanical advantage. if you wanted to lift a 50kg object up 5meters, you would have to supply a mechanical advantage of 10.

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Physics, 29.06.2019 18:40, andrewrangel63

Suppose you wish to compare the work done by pushing a box on rollers up a ramp to the work done if you lift the box straight up to the same final height. a. what work is required to lift a 100n box (about 22 lbs) up to a table which is 1 m off the floor? b. let’s assume you also have a ramp available that makes an angle of 30° with the horizontal, as shown in the fig- ure to the right. the ramp is 2 m long. the weight of the box (100 n) is due to the earth pulling on the box. this 100 n is a force directed straight down. if you push it up a ramp, you are doing work against only the component of this weight along the ramp, which is 50 n, as shown in the diagram. how much work does it require to push the box up the ramp, assuming no friction? 30° c. which situation (pushing up the ramp or lifting straight up) requires more work? d. which situation requires more force? e. for which situation is the distance moved greater? f. what is the change in the gravitational potential energy of the box for each situation? g. whatadvantage,ifany,istheretousingtheramp? explain.

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Physics, 22.07.2019 12:30, glocurlsprinces

You and two friends apply a force of 425 n to push a piano up a 2.0 m long ramp. if lifting the piano straight up requires 1700 n of force, what is the mechanical advantage of the ramp?

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Physics, 06.10.2019 08:30, aaroneduke558

Adock worker pushes a 150.0 kg crate up a ramp that is 3.00 m high and 10.00 m long into the cargo bay of a ship. he exerts a 800.0 n force parallel to the ramp. find both the mechanical advantage and ideal mechanical advantage of the ramp. what is the efficiency of the ramp?

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If it takes 320 n of force to push a box up a ramp, yet it would take 1,600 n of force to lift the b...

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