Four people stand at the corners of a square. Fred stands at the point (0,0), Ted at (1,0), Ed at (1,1) and Ned at (0,1). They each pull on a rope connected to a point exactly at the center of the square (0.5,0.5). If Fred exerts a force of 27 N, Ted 18 N, Ed 23 N and Ned 40 N, what is the net force exerted on the central point?

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Q: In the ever popular game from the future, Electrodisc, players can score double points by pushing a…

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A: horizontal distance = R = 60 ft vertical displacement = 5-10 = -5 ft angle = 60

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Q: Energy E = F.x Power P = E/t

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Q: Which of the following is the law of conservation of momentum

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.