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A question from Dynamics

The constant force that works in the object M=5 kg forces the object with mass m=4 kg to move with acceleration a=2 m/s^2.
The coefficient of friction between M and the table is 0.2.
Determine
a)F=? b) T=?

 

Elumna asked this

The First Android App from AskPhysics – gCalc

AskPhysics is now concentrating on releasing a series of useful apps for android devices.

The first in the series is gCalc

“An Android app which when supplied with the weight of a body on earth can find the weight on other planets, moon, and dwarf planets.”
The author of the App is Mr. Vishnu – A fan of Physics (and askphysics too) and Android apps.
You can download the app and then
1.) Make sure if Install from Unknown Sources is enabled.
(Settings –> Applications –> enable “Unknown Sources”
2.) open the downloaded file
3.) Accept and Install.
4.) Open the app ( gCalc in the Menu)
Click Here to Download the app (If you are browsing from pc, you can later transfer it to your android device and install.)
See below a screenshot of the app.
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