Hey there! Sign in to join this conversationNew here? Join for free
x Turn on thread page Beta
    • Thread Starter
    Offline

    17
    ReputationRep:
    Hi, How can I find the centre of mass of the triangle? I originally thought it was
    [tex](\frac{21}{2} , 3[\tex] but the answers used 11 in the y axis as their centre of mass. Anyhelp on how to find the COM of this triangle? Attachment 729578
    Offline

    11
    ReputationRep:
    (Original post by joyoustele)
    Hi, How can I find the centre of mass of the triangle? I originally thought it was
    [tex](\frac{21}{2} , 3[\tex] but the answers used 11 in the y axis as their centre of mass. Anyhelp on how to find the COM of this triangle?
    In the y direction, the triangle is displaced 8 from BC. As a result, its y COM is 8 + 9/3.
    • Thread Starter
    Offline

    17
    ReputationRep:
    (Original post by old_engineer)
    In the y direction, the triangle is displaced 8 from BC. As a result, its y COM is 8 + 9/3.
    Ohh, so you have to take all Centre of Masses from a single point. Regardless if you split the shapes up.

    Thanks a lot Im beginning to like mechanics
 
 
 
Reply
Submit reply
Turn on thread page Beta
Updated: March 7, 2018
Poll
Do you agree with the proposed ban on plastic straws and cotton buds?
Useful resources

Make your revision easier

Maths

Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

Equations

How to use LaTex

Writing equations the easy way

Student revising

Study habits of A* students

Top tips from students who have already aced their exams

Study Planner

Create your own Study Planner

Never miss a deadline again

Polling station sign

Thinking about a maths degree?

Chat with other maths applicants

Can you help? Study help unanswered threads

Groups associated with this forum:

View associated groups

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Write a reply...
Reply
Hide
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.