Exercise on Work: Solution

Question 1:

Calculate the work done when a force of 20 N moves a ball 4 m.
Solution: work = F × d = 20 × 4 = 80 J

Show that 12 J of work is done when a force of 4 N moves a box 3 m.
Solution: work = F × d = 4 × 3 = 12 J

Calculate the work done when a 25-N force pushes a trolley 4 m.

Solution: work = F × d = 25 × 4 = 100 J

For more details, please contact me here.