A student lifts their 5 kg backpack 2 meters off the floor. How much work does the student do on the backpack? 5/2= 2.5 J 5 x 2 = 10 W
5/2 = 2.5 W
5 x 2 = 10 J

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

cutt.ly/4zZs6GM

the labor movement in the united states grew out of the need to protect the common interest of workers

for those in the industrial sector organized labor unions fought for better wages reasonable hours and safer working conditions

  in the 19th century trade unionism was mainly a movement of skilled workers.

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