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23 Nov 2019
You are pushing a refrigerator across the floor of your kitchen.Youexert a horizontal force of 306 N for7.2 s, during which time therefrigeratormoves a distance of 3.1 m at a constantvelocity.
(a) What is the total work (by all forces)doneon the refrigerator?
1 J
(b) What is the work done by friction?
2 J
You are pushing a refrigerator across the floor of your kitchen.Youexert a horizontal force of 306 N for7.2 s, during which time therefrigeratormoves a distance of 3.1 m at a constantvelocity.
(a) What is the total work (by all forces)doneon the refrigerator?
1 J
(b) What is the work done by friction?
2 J
1 J
(b) What is the work done by friction?
2 J
Trinidad TremblayLv2
5 Apr 2019
