2. The weightless block is fixed at the end of the table. Weights 1 and 2 of the same mass are connected by a thread and thrown through the block. The friction coefficient of a 2 weight on a table is 0.1. Find the acceleration with which weights and the tension force of the thread move. The friction in the block is neglected.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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2. The weightless block is fixed at the end of the table. Weights 1 and 2 of the same mass are connected by a thread and thrown through the block. The friction coefficient of a 2 weight on a table is 0.1. Find the acceleration with which weights and the tension force of the thread move. The friction in the block is neglected.

Expert Solution
Step 1

The equation of motion be defined as,

Physics homework question answer, step 1, image 1

Where,

Fnet be defined as the net force on the system

M be defined as the total mass of the system

a be defined as the acceleration of the system.

Step 2

Let fr be defined as the friction force acting on the mass. And the mass of the system is given by 2m.

Then re-write the above equation and calculate for acceleration,

Physics homework question answer, step 2, image 1

 

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