1. After packing your backpack with textbooks and your binder before the weekend, it takes you 96 N to lift you backpack a distance of 1.5m. How much work have you already done before you have even started your homework?
W=Fxd =96Nx1.5m =144 J
You have done a total of 144J of work by carrying your backpack a distance of 1.5m.
2. Phineas got a parcel from the FedEx truck and found that it was his new flat screen t.v. He needs to lift his parcel up the stairs over a distance of 4 meters. If it takes Phineas a total of 1500N to lift the parcel, how much work has Phineas done to lift the parcel?
W=Fxd =1500Nx4m =6000 J
Phineas has done 6000 J of work to lift the parcel over a distance of 4m using a force of 1500N.
Example Questions:
1. After packing your backpack with textbooks and your binder before the weekend, it takes you 96 N to lift you backpack a distance of 1.5m. How much work have you already done before you have even started your homework?
W=Fxd
=96Nx1.5m
=144 J
You have done a total of 144J of work by carrying your backpack a distance of 1.5m.
2. Phineas got a parcel from the FedEx truck and found that it was his new flat screen t.v. He needs to lift his parcel up the stairs over a distance of 4 meters. If it takes Phineas a total of 1500N to lift the parcel, how much work has Phineas done to lift the parcel?
W=Fxd
=1500Nx4m
=6000 J
Phineas has done 6000 J of work to lift the parcel over a distance of 4m using a force of 1500N.
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