A force F of magnitude 60 N is exerted on the automobile parking-brake lever at the position x = 235 mm. Replace the force by an equivalent force-couple system at the pivot point O. The couple is positive if counterclockwise, negative if clockwise.

answer:

Tell him to give you another opportunaty to send it to him.

If the temperature goes on increasing with respect to the length (i.e temperature gradient)then it is called positive heat transfer. If the temperature gradient decreases then it is called negative heat transfer.

Explanation:

Explanation:

A massive asteroid impact would create long-term changes in the atmosphere and climate of the planet. Upon impact, vaporized dirt and rock would fill the atmosphere, blocking sunlight and creating a state of near-permanent darkness and winter-like conditions.