Physics, 20.01.2020 17:31 grettelyesenia

Which device for controlling lift allows air to flow from the lower surface to the upper surface at high angles of attack?

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Answer from: nkslsj

Slat

Explanation:

In the field of aero-space engineering, there exist a system that produces an increased amount of lift produced by the aircraft's wing. This mechanism is know as a high lift device.

The device could either be movable or fixed. types of movable devices are flaps and slats and fixed devices are leading edge root extensions, slots and boundary layer systems.

The slat is a small aerofoil shaped device which pushes the airflow from the lower surface the upper surface when at a high angle of attack.This pushes airflow at the front of the wing and also allows the wing to be operated at the higher angles required to produce more lift. The gap between a slat and a wing is a slot.

Answer from: Quest

the box does not move because you need to use a force greater than 300 n. you are only using 50 n. it needs to at least be 301 n for the box to move because then it is an unbalanced force and it will move the way that the greater force is pushing it. if you use only 300 n it will be a balanced force and will not move because the force you are exerting on the box is the same as its force.

hope this !

im sorry if i went too in depth, i am going to include a link to a video on khan academy that will explain this. hope that you like the video and that it explains more in detail to you.

that is the link.

Answer from: Quest

You need to be more specific. i really don't know what a "motion map" is.you can draw a graph of an object's position, distance, displacement, speed,velocity, or acceleration versus time, or you can draw a graph of the object's x-position versus its y-position and not give any information about time at all.if the graph presents position or displacement against time, then constant velocity is a straight line . . i.e. a line that has constant slope.if the graph shows speed against time, then constant velocityis a horizontal piece of line.if the graph shows acceleration against time, then constant velocity is a piece of line that lies on the x-axis . . it's value is zero.

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Which device for controlling lift allows air to flow from the lower surface to the upper surface at...