During work? lazyness! After work? Relaxation:)
Yes. If force is negative, then work will be negative.
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Negative work
mabey
If you apply force in the same direction an object moves, the work on the object is positive.If the force is in the opposite direction as the direction the object moves, the work on the object is negative.
Yes they do work, and yes they are dangerous and have many negative side effects.Yes they do work, and yes they are dangerous and have many negative side effects.Yes they do work, and yes they are dangerous and have many negative side effects.Yes they do work, and yes they are dangerous and have many negative side effects.Yes they do work, and yes they are dangerous and have many negative side effects.Yes they do work, and yes they are dangerous and have many negative side effects.
Negative
As you walk down the stairs, you apply a force to keep yourself from falling down the stairs. The force is in the upward direction, but your movement is in the downward direction. If the force is in the opposite direction of motion, work done by the force is negative. Gravitational force, because it pulls down, does positive work.
Work is done when a force is applied over a distance. If the force acts opposite the direction of motion, like friction, then the work is negative.
they are all positive. less work
No the work done is still positive, the force exerted and the work done to exert that force is still the same. Its just that the other object is exerting more of a force on the object doing the work.
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