Answer to Question #141058 in Physics for Aryan Patel

Question

A 2kg object is pushed up a 11 m long ramp by 8 N force to get the object to the top of a 3 m tall table.calculate efficiency

g=9.8

Answer 1

$$\eta=\frac{mgh}{Fd}\\\eta=\frac{(2)(9.8)(3)}{(8)(11)}=0.67$$