| Physics question, I think my book is wrong!
Ill type it up:
A 65-kg student weighs himself by standing on a scale mounted on a skateboard that is rolling down an incline. Assume there is no friction so that the force exerted by the incline on the skateboard is normal to the incline. What is the reading on the scale if the angle is 30 degrees?
I doubt my answer is correct...but the book's answer section says it is 552 newtons!!!! How can his weight be a force? And it asks what the scale reads!!!
Please help got class soon... | 
