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What forces have a negative effect on velocity just list them?
Anaita234
There are two problems with this question.
The less obvious one is: What do you mean by "a negative effect" on velocity ?
ANY force that acts in the direction opposite to the direction of the velocity will
cause the magnitude of velocity to decrease, which in itself is pretty negative.
If the force continues to act long enough, it will eventually cause the velocity
to reverse its direction, which is about the most negative effect you can have
on velocity.
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∙ 12y ago
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Can the speed of the particle ever be negative if so give an example if not explain why?
speed cannot as it is just a magnitude, however as velocity relates both magnitude and direction, and direction can be negative, technically you can have a negative velocity.
Can an object's acceleration be a negative number?
Yes it can be.When a body has its initial velocity greater than its final velocity, then the body can have negative acceleration since acc.=change in velocity/time
Why do we need forces?
Forces exist whether there are people, animals, and plants or not. Science just looks at how forces work, and how they relate to movement, acceleration, velocity, work, power, and so forth. So it is not a question of if 'we need scientific forces', at all.
How does a gravitational field work?
A gravitational field works by creating a velocity profile that masses in the field follow. For example the Earth has a velocity of 29814m/s at the radius of 150Gigameters from the Sun. This This velocity V= Squareroot[GM/r] this velocity is independent of the Earth and just depends on the Gravitational field of the Sun. The Direction of the Velocity is angled to maintain the conservation of energy and balance the centripetal and centrifugal forces.
The change in pitch when you or a sound source moves?
that's due to Doppler effect. its the relative velocity between speed of the 'source and the receiver' and the speed of the sound that causes the effect... its just an illusion.
How do you find the final velocity if the acceleration is negative?
It depends on what information you have. Also, velocity can be negative - it just means that the object is travelling in the direction opposite to the positive direction for the velocity vector.
Can the speed of the particle ever be negative if so give an example if not explain why?
speed cannot as it is just a magnitude, however as velocity relates both magnitude and direction, and direction can be negative, technically you can have a negative velocity.
Can an object's acceleration be a negative number?
Yes it can be.When a body has its initial velocity greater than its final velocity, then the body can have negative acceleration since acc.=change in velocity/time
When final velocity is less then initial velocity of an object the acceleration is negative?
yes, many answers in applied maths come out as negative, it just means that the force or object is slowing down or reversing. in this case there is a negative acceleration as its slowing down
What are the conditions of an object to stay at rest to keep on moving at constant velocity or to move with increasing velocity?
If the sum of all forces on an object is zero, then the object remains in constant velocity. Constant velocity means motion in a straight line at a constant speed. "Rest" is just constant velocity with a speed of zero. If the sum of all forces on an object is NOT zero, then the object's velocity must change. The change may consist of speeding up, slowing down, or turning in a different direction. If the sum of the forces is in the same direction as the object's motion, then the object must speed up.
Why do constructive and destructive forces effect the earth's surface?
because they just do XD
Why do we need forces?
Forces exist whether there are people, animals, and plants or not. Science just looks at how forces work, and how they relate to movement, acceleration, velocity, work, power, and so forth. So it is not a question of if 'we need scientific forces', at all.
Why do we need scientific forces?
Forces exist whether there are people, animals, and plants or not. Science just looks at how forces work, and how they relate to movement, acceleration, velocity, work, power, and so forth. So it is not a question of if 'we need scientific forces', at all.
What was a negative effect of growing tobacco?
it ruined soil after just a few years
Is it possible to have a negative speed?
No, Speed is always greater than or equal to zero. However, velocity can be negative, which just means you have a positive speed in the opposite direction! (scalar(number) versus vector).
How are acceleration velocity and deceleration related?
velocity is the rate of change of displacement with time, or v = dx/dt Acceleration is the rate of change of velocity with time, a = dv/dt deceleration in the true sense doesn't exist, for it is just a term for negative acceleration. You wouldn't say that you are develociting if you are in reverse.
What are the conditions for an object to stay at restto keep moving at constant velocity?
"Constant velocity" means neither the speed nor the direction of the object's motion is changing. "Rest" is just one kind of constant velocity ... the kind with zero speed. The condition for an object's velocity to remain constant is: Either there are no forces acting on the object, or else all of the forces acting on it add up to zero. If there is any NET force acting on the object, then its velocity will change ... it will either speed up, slow down, or curve in a new direction.
