- #1
alingy1
- 325
- 0
Please look at picture.
Here are my equations:
For 10kg:
-uk m2 g cosθ -T -m2 g sinθ=m2 a
For 20kg:
T-m1 g =m1 a
Add them:
-uk m2 g cosθ -m2 g sinθ -m1 g =(m2+m1) a
a= 5 m/s^2 (kinematics equations)
Isolating uk gives 3.66!
The real answer is 0.16.
Where am I going wrong?
Here are my equations:
For 10kg:
-uk m2 g cosθ -T -m2 g sinθ=m2 a
For 20kg:
T-m1 g =m1 a
Add them:
-uk m2 g cosθ -m2 g sinθ -m1 g =(m2+m1) a
a= 5 m/s^2 (kinematics equations)
Isolating uk gives 3.66!
The real answer is 0.16.
Where am I going wrong?