WRITE DOWN TWO DISADVANTAGES OF FRICTION AND SUGGEST WAYS TO OVERCOME THESE.
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Makes movement difficult: Any time you want to move an object, friction can
make the job more difficult. Excess friction can make it difficult to slide a box across the floor, ride a bicycle or walk through deep snow. An automobilewould not move forward very well unless its friction was not reduced. Oil isneeded to lubricate the engine and allow its parts to move easily. Oil and ball bearings are also used in the wheels, so they will turn with little friction.
make the job more difficult. Excess friction can make it difficult to slide a box across the floor, ride a bicycle or walk through deep snow. An automobilewould not move forward very well unless its friction was not reduced. Oil isneeded to lubricate the engine and allow its parts to move easily. Oil and ball bearings are also used in the wheels, so they will turn with little friction.
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