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23 Nov 2019
You are pushing a refrigerator across the floor of your kitchen.You exert a horizontal force of 288 N for 6.8 s, during which timethe refrigerator moves a distance of 2.7 m at a constantvelocity.
(a) What is the total work (by all forces) done on therefrigerator? (J)
(b) What is the work done by friction? (J)
You are pushing a refrigerator across the floor of your kitchen.You exert a horizontal force of 288 N for 6.8 s, during which timethe refrigerator moves a distance of 2.7 m at a constantvelocity.
(a) What is the total work (by all forces) done on therefrigerator? (J)
(b) What is the work done by friction? (J)
Irving HeathcoteLv2
3 Nov 2019
