Calculate the answer for each of the following and explain/show your reasoning. What is the magnitude and direction of the frictional force on the couch?

What is the magnitude and direction of the net force on the couch?

What is the magnitude and direction of the acceleration of the couch?

Advanced) How much time did it take to push the couch the 4 m?

Thank you for your time and effort, I really appreciate it!

1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system