paigegail
Jan26-04, 09:41 PM
I need extra help. I'm studying for my Final Exam which is tomorrow and I cannot remember how to find forces of objects on an inclined plane. The question I'm having troubles with is:
A 12.5 kg crate is placed on a ramp that is at an angle of 22 degrees from the horizontal. Find the acceleration of the crate would be down the ramp:
a) in the absence of friction (answer 3.67 m/s-squared down slope)
b) if the coefficient of kinetic friction is 0.0 (0.95 m/s-squared down slope)
I have tried this and I know that I need to find the force of Gravity that is parallel to the direction the box is going. But I keep getting like 347 and then an answer of like 20.0 something m/s-squared. What am I doing wrong!?!
A 12.5 kg crate is placed on a ramp that is at an angle of 22 degrees from the horizontal. Find the acceleration of the crate would be down the ramp:
a) in the absence of friction (answer 3.67 m/s-squared down slope)
b) if the coefficient of kinetic friction is 0.0 (0.95 m/s-squared down slope)
I have tried this and I know that I need to find the force of Gravity that is parallel to the direction the box is going. But I keep getting like 347 and then an answer of like 20.0 something m/s-squared. What am I doing wrong!?!