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Ball bearings or roller bearing
They are made in various designs to reduce friction. They reduce friction because rolling friction is smaller than sliding friction. These bearings are also lubricated to further improve their function. ..
They are made in various designs to reduce friction. They reduce friction because rolling friction is smaller than sliding friction. These bearings are also lubricated to further improve their function. ..
..Ball
/roller bearing help to convert sliding friction into a milder form - rolling friction. Rolling friction is lesser than sliding frictio..
A box has 1 red ball, 1 green ball and 1 blue ball. 2 balls are drawn ..
A box has 1 red ball, 1 green ball and 1 blue ball. 2 balls are drawn from the box one after the other, without replacing the first ball drawn. Using the tree diagram, find the number of possible outcomes for ..
A box contains 4 red balls, 3 white balls, 2 blue balls, and 1 yellow ..
A box contains 4 red balls, 3 white balls, 2 blue balls, and 1 yellow ball. Ten balls are drawn at random. What is the probability that 8 are red and 2 are blue balls? => 0.35 or 2 3 0 4 5 9 or 0.035 or 2 3 0 ..
A bag contains 3 yellow balls and 4 pink balls. Kay picked two balls o..
A bag contains 3 yellow balls and 4 pink balls. Kay picked two balls one after the other. Which tree diagram shows all the possible outcomes? => Tree diagram 2 or Tree diagram 3 or Tree diagram 4 or Tree diagram 1..
A bag contains 5 white and 3 black balls. 4 balls are drawn one at a t..
A bag contains 5 white and 3 black balls. 4 balls are drawn one at a time without replacement. Find the probability that the balls are alternatively of different colours. => 2 7 or 3 7 or 4 7 or 1 7..
There are 2 violet balls and 4 pink balls in a bag. If two balls are d..
There are 2 violet balls and 4 pink balls in a bag. If two balls are drawn one after the other, then what is the probability of getting violet first and pink next, if the first ball drawn is replaced? => 1 3 or 2 9 or 1..
Where is the ball placed?
Where is the ball placed? => (4, 1) or (3, 4) or (3, 5) or (4, 3)..
Identify the set that has 7 balls.
Identify the set that has 7 balls. => Figure 1 or Figure 3 or Figure 2 or Figure 4..
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