how is it possible that your forces is in equilibrium but the object is still moving horizontally on a surface

Question

anonymous · Answer

force in equalibrinum means force before motion and after motion is same, according to newtons lawthe object not change it's motion without changing a force, so........

anonymous · Answer

so what if the object is moving down at a constant velocity 
2. what are the contact forces if there are any

anonymous · Answer

@ Tshepo normal force and weight

anonymous · Answer

In pedaling a bicycle, a particular cyclist exerts a downward force of 90N during each stroke. If the diameter of the circle traced by each pedal is 36cm, calculate how much work is done in each stroke?