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DevonR
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Homework Statement
I have to draw a free body diagram representing the motion of an object @ a given point in time. This diagram is for section 1.
It's of a 1.25 kg cart with a 0.6 kg can attached to it with a pulley-system. When the can drops, the cart begins to move. In section one, when the can drops, the cart begins to accelerate forward.
Acceleration = 0.196 m/s(squared)
Mass of cart = 1.25 kg
Mass of can = 0.6 kg
Homework Equations
F = maThe Attempt at a Solution
The diagram is uploaded here. I just want to know if this seems to be correct?
EDIT:
Heres the assmuptions I made
I calculated net force w/ acceleration provided = 0.196 m/s
and with the total mass (1.25 kg + 0.6 kg) = 1.9 kg
Net force = 0.37 N
I did normal force & force of gravity on the cart, which was 12.3 N for both.
The falling can was what caused the motion of the cart, so I calculated Fg = 5.9 N for the 0.6 kg can. No normal force obviously because it wasn't sitting on a surface.
But the can was attached to a string, which slowed down the falling can's motion. So I had to calculate F-tension. I used this formula to calculate it;
Force of Tension = 2m1m2/m1m2 x Gravity
I got 4N (3.97N) as the tension force.
So I assumed that the applied force would be Force of Gravity on the can MINUS the Force of Tension of the string holding the can. The applied force was 1.9 N
Then I calculated force of friction.
I assumed it to be the applied force minus net force
Which was 1.9 N - 0.37 N
For friction I got 1.5 N.
Does all of this seem correct? [/B]
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