Home > Middle School > Quizzes > Grades 6, 7 and 8 - Science - Middle School - Moments
Grades 6, 7 and 8 - Science - Middle School - Moments
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 56% • Most missed: “The moment will be increased .......”

Pushing or pulling the handle of a wrench connected to a nut or bolt produces a moment (turning force) that loosens or tightens the nut or bolt. In the field of Science, forces can be used to turn objects about a pivot (fixed point).
 

Grades 6, 7 and 8 - Science - Middle School - Moments
Time left 00:00
10 Questions

1. Two children weigh 300N and 400N, they sit 2m and 3m away from the pivot (center) on the same side of the see-saw. What is their total moment?
2. A spanner is 20cm long. A force of 10N is applied to undo a bolt. What is the moment (turning force)?
3. A friend joins the two children (Q5) and sits on the other end of the see-saw. He weighs 600N. How far from the pivot must he sit to balance the see-saw?
4. The moment will be increased .......
5. A 40cm spanner is used to produce the same turning force as Q7. What force would be needed?
6. Moments (turning forces) depend on .......
7. A moment of 80Nm is needed to undo a wheel nut. The spanner is 20cm long. What force is needed?
8. A moment of 50Nm is needed to open a jar. The pliers are 10cm long. What force is needed?
9. Jane weighs 400N. She sits on a see-saw 1.5m from the pivot (center). Calculate the moment caused by Jane.
10. Amir weighs 500N. He sits on a see-saw 200cm from the pivot (center). Calculate the moment caused by Amir.

⚡ Recently practiced quizzes in this topic
Live quiz activity
Grades 6, 7 and 8 - U.S. History - Middle School - USA: 1919-1932 - US Society In The 1920s Grades 6, 7 and 8 - English Language - Middle School - Comprehension Test 1 Grades 6, 7 and 8 - Science - Middle School - Taxonomy Grades 6, 7 and 8 - English Language - Middle School - Standard English Grades 6, 7 and 8 - Science - Middle School - Skeletons Grades 6, 7 and 8 - Science - Middle School - The Study of Light - What is Light? Grades 6, 7 and 8 - Science - Middle School - Anatomy - Growth and Development 1000+ School Science Questions Grades 6, 7 and 8 - English Language - Middle School - Verbs (Modal) Grades 6, 7 and 8 - English Language - Middle School - Common Foreign Words and Phrases
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.