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I think there has to be a net force applied to the object in order for it to move. An example would be a box sitting on the ground. There is always gravity acting on the box, pushing it down, but there is also a force called the Normal force, applied by the ground on the box pointing up against gravity. These 2 forces, gravity and normal, cancel each other out perfectly, therefore the box does not move either up or down, it is stationary. Now if a person goes up to one side of the box, and pushes it horizontally, the box may begin to move if the force applied is greater than the friction between the box and the ground (i forget the name of the specific friction involved). As the box moves, there is also a constant friction between the box and the ground that pushes back against the direction of motion of the box. This friction would cause the box to stop moving once the person stops pushing, preventing the box from sliding on forever.
( i know some parts are vague in this, and im open to criticisms and corrections :P )
What else can I help you with?
For the Doppler effect to occur?
For the Doppler effect to occur the measured object must be in motion (radial velocity) relative to the emitter of a wave.
In order for evolution by natural selection to occur what has to happen?
There must be genetic variation, the variation must be heritable, and there must be differential reproduction (due to competition).
What must happen before a hypothesis become a theory?
The Hypothesis Must Be Supported In Order For It To Become A Theory
What must happen before meiosis can begin?
DNA replicates and forms tetrad—APEX.
What must be applied to an object to change its motion or direction?
If an object is at rest, a force must be applied to accelerate it (start it moving).
What to the scientific definition for work what must happen in order for work to be accomplished?
motion
What must happen for acceleration to occur?
For acceleration to occur, there must be a change in an object's velocity over time. This change can happen by increasing or decreasing the object's speed or by changing its direction of motion. In essence, acceleration is a measure of how much an object's velocity changes per unit of time.
What must occur for hardy weinberg equilibrium to occur?
mating must happen randomly
What must be true for hardy equilibrium to occur?
mating must happen randomly
For the Doppler effect to occur what must happen?
For the Doppler effect to occur, there must be relative motion between the source of the wave and the observer. As the source moves towards or away from the observer, the frequency of the wave appears to change, causing a shift in the perceived wavelength.
What must happen for an object to be in motion?
Gravity I guess :-)
What must happen for a new moon to occur?
For a new moon to occur the moon must be between earth and the sun
What must happen for cultural change to occur?
lalalaljsk
What must happen to pollen grains in order for pollination to occur?
True pollen comes from artichokes in which farts come from natural gas.
How do you file for back alimony support owed?
You must return to the court that issued the order a file a motion for contempt of the court order.You must return to the court that issued the order a file a motion for contempt of the court order.You must return to the court that issued the order a file a motion for contempt of the court order.You must return to the court that issued the order a file a motion for contempt of the court order.
What must happen for specification to occur?
A population must be isolated in some way
What must be for Hardy Weinberg equilibrium to occur?
mating must happen randomly
