- #1
Elmnt
- 13
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Homework Statement
A motorcycle and 67.0 kg rider accelerate at 3.2 m/s2 up a ramp inclined 10° above the horizontal.
What is the magnitude of the force on the rider from the motorcycle?
Homework Equations
I set my 90 degree axis so that my x-axis lined up with the acceleration up the ramp and my y-axis lined up with the normal force. So my y component would be
normal force-mass*gravity*cos 10° = mass*acceleration y
The Attempt at a Solution
I am thinking that the normal force is the force on the rider from the bike and with the way my axis is set up there will be no y acceleration so,
normal force= mass*gravity*cos10°
it gives and answer of 646.62 N but they say this answer is wrong. Am I missing something or misinterpreting?