5 ball 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. ..

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/roller bearing help to convert sliding friction into a milder form - rolling friction. Rolling friction is lesser than sliding frictio..

Which combination of bills would you need to buy the teddy bear? => two $10 bills and two $5 bills or one $10 bill and one $5 bill or one $10 bill and two $5 bills..

Frank has 15 balls and his brother has 5. How many balls do they have? => 17 or 20 or 19 or 22..

A game was conducted in a school which involves throwing balls from a certain distance into a basket in five minutes. Sam threw 42 balls, Ben threw 27 balls, Brian threw 33 balls, and Mark threw 21 balls. Which of the following pictograph ..

There are 8 base balls for every 20 tennis balls in a bag. What is the ratio of the number of base balls to tennis balls? => 2 : 5 or 1 : 2 or 5 : 2 or 2 : 1..

When a charged body is brought near the electroscope the light weight pith ball is first attracted to the rod. Once it has touched the rod it gets repelled. When the pith ball comes in contact with the rod some of the charge from the rod gets transferred to the pith ball..

A box consists of 5 white and 4 black balls. A ball is selected at random and is not replaced. A second ball is selected. Find the probability that both the balls are white. => 5 1 8 or 1 3 or 6 1 1 or 1..