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

Mechanics (M1) Pulley's help!! watch

    • Thread Starter

    Hello, I need urgent help with this question.
    Two particles A and B, of mass m and 2m respectively, are attached to the ends of a light in-extensible string. The particle A lies on a rough horizontal table. the string passes over a small smooth pulley P fixed on the edge of the table. The particle B hangs freely below the pulley P. The co-efficient of friction between A and the table is mew. The particles are released from rest with the string taut. Immediately after release, the magnitude of the acceleration of A and B is 4/9g. By writing down separate equations of motions for A and B,
    a)find the tension in the string immediately after the particles begin to move
    b)show that mew=2/3

    Hopefully this helps you out, if you are stuck on how I worked these answers out just let me know and I'll try my best to explain.
    Attached Images
Do you agree with the proposed ban on plastic straws and cotton buds?
Help with your A-levels

All the essentials

The adventure begins mug

Student life: what to expect

What it's really like going to uni


Essay expert

Learn to write like a pro with our ultimate essay guide.

Uni match

Uni match

Our tool will help you find the perfect course for you

Study planner

Create a study plan

Get your head around what you need to do and when with the study planner tool.

Study planner

Resources by subject

Everything from mind maps to class notes.

Hands typing

Degrees without fees

Discover more about degree-level apprenticeships.

A student doing homework

Study tips from A* students

Students who got top grades in their A-levels share their secrets

Study help links and info

Can you help? Study help unanswered threadsRules and posting guidelines

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