# Friction help

Two blocks (m1 = 2.500 kg and m2 = 3.100 kg) slide down a rough 30.0 degree incline.
µ1 = .2300 for the lighter block
µ2 = .5100 for the heavier block
a) Determine the acceleration of the pair.

b) Calculate the force the lighter block exerts on the heavier one.

there is a picture as an attachment (couldn't figure out how to just put it on).

i think i have found the acceleration of the objects i got 1.6336 meter per second squared but i don't know how to find the force on the second object.

I took the sum of the forces which included (m1)(gravity)(sin30)-friction on that object + (m2)(gravity)(sin30)- friction of that object) all over (m1 + m2). to get 1.6886

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## Answers and Replies

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cepheid
Staff Emeritus
Science Advisor
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what work have you done so far? We can help put you in the right direction, but we won't do all of your work for you

i think i have found the acceleration of the objects i got 1.6336 meter per second squared but i don't know how to find the force on the second object.

I took the sum of the forces which included (m1)(gravity)(sin30)-friction on that object + (m2)(gravity)(sin30)- friction of that object) all over (m1 + m2). to get 1.6886

Last edited: