A system is released. The mass of each object is shown. Neglect drag, friction and the mass of the string and pulley.
How many forces are acting on the 7kg mass?
How many forces are acting on the 10kg mass?
Are the forces on the system balanced?
What is the mass of the system?
What is the magnitude of the net force on the system?
What is the magnitude of the acceleration of the system?
What direction will the 7kg mass move after release?
What is the tension in the string?