Ball bearings reduce friction in machinery by presenting a
minimal surface area. This is because only very small areas of each
ball are in contact with the surface. Therefore,the ball bearing is
indeed a very useful thing for machinery to work.
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True. Freezing would compress the gas in the ball and reduce the
elasticity of the rubber in it.
A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle of 35 degrees What is the maximum height attained by the ball
Two forces act on the same object One force is pushing due east with a force of 6 newtons and the other is pushing due north at 8 newtons What is the resulting force
A ball is thrown horizontally from a cliff at a speed of 15 ms and strikes the ground 45 meters from the base of the cliff How long was the ball in the air
A ball is thrown horizontally from a cliff at a speed of 15 ms and strikes the ground 45 meters from the base of the cliff How high was the cliff rounded to the nearest meter