Depress mouse to view answer. Air Resistance is Absent. Since the object is not moving relative to the surrounding air, there is not an air resistance force on it. A block hangs from the ceiling by a spring. Depress mouse to view answer.
Gravity is Present.
Since the block has mass, there is a gravitational force on it. Depress mouse to view answer. Spring force is Present. Since an elongated spring is touching the block, there is a spring force on it. Depress mouse to view answer.