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Work done is zero when force acts right angle to the direction of the motion of the body .
my situation of zero work done , one day i hold many books approximately 15 after some time i feel very tired but there is a physical work done is zero because i worked against right angle .
i feel actual work is done because when i holding book my muscles and blood circulate all over the body so i feel work is done.
Arshad Quraishi
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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.
What is the answer to 8 x 0?
Anything multiplied by zero is is zero. So, this would also work for this particular equation. 8 multiplied by 0 is o.
An electromagnetic force 1 200 N lifts a truck 10 meters How much work was done?
There was 12k Joules of work done.
What is zero point clamping system?
It´s a system that forces to zero values smaller than a given value. This is done in order to avoid measure or report very small values seen as noises.
When swimming work done is positive or negative?
Positive.
