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You push a box out of a carpeted room and along a hallway with a waxed linoleum floor. While pushing the crate 3 m out of the room you exert a force of 28 N; while pushing it 4 m along the hallway you exert a force of 14 N. To bring it to a stop you exert a force of 5 N through a distance of 1.2 m, opposite to the motion. How much work do you do in all

Sagot :

The total work done is equal to 134 J.

Work

The work formula is characterized as the multiplication of the force performed and the distance in which the movement was performed, so that:

                                           [tex]W = F \times d[/tex]

Thus, it is enough to calculate the value of the work in each movement and add to find the total work, so that:

                                          [tex]W_1 = 3 \times 28 = 84J\\W_2= 4 \times 14 = 56J\\W_3 = (-1.2) \times 5 = 6J[/tex]

                                        [tex]84 + 56 + (-6) = 134J[/tex]

So, the total work done is equal to 134 J.

Learn mor about work in: brainly.com/question/4095205

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