F incline= mg sin θ
F incline = (4.7 kg) (9.81 m/s^2) sin (26)
F incline = 20.21 N = 21 N
Check to see at the back of the book if this is the right answer. If not go over the formula sheet and the problems in the book and so you'll realize the answer
A 4.7 kg bag of groceries is in equilibrium on an incline of 26 degree. The acceleration of gravity is 9.81 m/s square. What is the magnitude of the normal force on the bag? Answer in units of N
1 answer