PRE-TEST QUESTIONS ON WORK DONE
Name :
Year
:
Date :
____________________________________________
____________________
____________________
Answer the following questions and show your workings. Each question carries 2 marks.
1. Calculate the work done, given that:
i.
Force = 10 N
Distance moved = 5 m
Ans:
_________ Nm
Ans:
_________ Nm
2. Calculate the work done, given that:
i.
Force = 50 N
Distance moved = 10 m
3. Anita picked up a box from the floor up to a height of 0.5 m. Calculate the work done by Anita if
the box weighs 10 N.
Ans :
_________ Nm
4. Figure below shows a man pushing a wooden box along the floor for 10 m. The weight of the
wooden box is 800 N. What is the work done to push the wooden box?
Ans:
_________ Nm
5. A boy is throwing a metal ball in a shotput event. He uses 500 J of energy to throw the metal ball
at 2 m. Calculate the force applied to throw the metal ball.
Ans:
__________ N