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What can be said about a situation in which work done is negative?
Wiki User
∙ 13y ago
the formula F.S cos angle is used (the dot product)
so if angle is 0,cos angle=1 hence work done is positive and maximum
if angle is 90 so cos 90 is 0 hence work done is minimum
if work done is negative the angle is 180
The work done by friction is always negative (opposite the force)
Since work is force x displacement, a negative value for work could mean that the displacent was negative
Wiki User
∙ 13y ago
Wiki User
∙ 10y agoWhen work is done in negative it can effect how well the work is performed and the outcome of the work.
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Give five example each of the situation when the work is done or when the work is not done?
give me a 5 situation that work is done
Can work done by a force be negative?
Yes. If force is negative, then work will be negative.
How do you determine a work done is positive sign or negative sign?
If work is done on the system then it has a negative sign. If work is done by the system then it has a positive sign.
When do you say that the work done is positive or negative?
There are different conventions as to what work is negative and what work is positive. The convention used by engineers and physicists is that work done BY the system on its surroundings is positive while work done ON the system by its surroundings is negative. Chemists reverse these conventions.
When negative work is being done what happens to potential energy?
Negative work increases potential energy.
When swimming work done is positive or negative?
Positive.
What is the sign of the work done by the frictional force?
Negative
When you say work is done against a force you mean the force does?
Negative work
When is a thermodynamic work said to be positive?
In thermodynamics, work done by a system on its surroundings or another system is said to be positive.
What are examples of work done?
Work is said to be done where certain displacement is involved. Ex. Of work not done is Coolie carrying Load on his head..
Is the work done by the system is considered as positive or on the system is considered as positive?
Work done by the system is considered as PositiveWork done on the system is considered as Negative
Who said your work here is done?
the person that said the work here is done was named Joshua Jacobson on May 15th 1771 in the oldie age...
