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What is the song that has two dancers cheek to cheek walking low forward and then alternating and going the opposite direction?
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∙ 16y ago
tango
Wiki User
∙ 16y ago
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What is fore bearing in civil engineering?
In survey when take level of spot in forward direction is forward bearing opposite to back bearing which if back direction
Which way do twin screw props on a boat rotate when propelling the boat forward?
In opposite direction, but they are designed to propel the boat forward even if they rotate in opposite directions.
What is an electric current that periodically changes direction?
There are two types of electric current, DC or direct current and AC or alternating current. The power delivery to homes in most places in the world is AC or alternating current. This is where the electrons are pushed one way then back the other way with usually 100 or 120 changes in direction per second. This produces 50 or 60 forward/back cycles every second called 50Hz or 60Hz.
What is meant by negative half-cycle of an alternating current?
Alternating current varies in magnitude, and reverses direction every half-cycle. When the current is drifting in one direction we allocate it a 'positive' direction; when it reverses direction we allocate it a 'negative' direction. So the positive half-cycle refers to its variation in current during its forward or positive direction and the negative half-cycle refers to its variation in current during its reverse or negative direction.
What is the forward thrust for an airplane?
A fixed wing aircraft generates forward thrust when air is pushed in the direction opposite to flight. It is proportional to the mass of the airstream.
How does nwtons third law explain how a rocket takes off?
Newton's third law is that every action has a reaction that is equal in magnitude but opposite in direction. So, for a rocket, the rocket releases force in the backward direction (in the opposite direction it is moving) which enables it to go forward. You can try this at home using a balloon and a string.
What is the antonym or opposite word meaning advance starting with the letter r?
The antonym for forward is backward, but the opposite direction can be reverse or rearward.
Why the light change as the earth move?
You may be referring to the Doppler effect. I suggest to look up "Doppler Effect" in the Wikipedia; but briefly, waves get "compressed" in the forward direction, and "elongated" in the opposite direction.
A rocket is pushed forward as a reaction to?
The rocket is pushed forwards by the reaction to the force ejecting gas in the opposite direction to the direction of travel of the rocket. Rocket flight is an example of Newton's 3rd law of motion, which states that every action (force) has an equal and opposite reaction. In this case, the action is the ejection of rocket gas and the reaction is the forward force on the rocket.
What causes a force to produce motion?
To move an object forward from rest the thrust of forward force must be greater than the drag acting in the opposite direction. In order to keep moving at a constant velocity the forward force must equal the drag.
What part of a force does work when the direction of the force and the direction of motion are not the same?
Force only takes place in the direction of the motion. It cannot be any other way. It could be argued that the action of a cars tyres on the road applies to your question. The car moves forward while the tyres push the earth in the opposite direction. However the tyres are the motion supplying the force and not the car moving in the opposite direction..
Can an astronaut in space travel by pushing herself forward?
Yes. For every action there is an equal but opposite reaction. So if an astronaut pushes themselves forward, they will continue in that direction until acted upon by another force.
