Weight and Drag
gravity
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While on a moving swing, you must overcome air resistance, the force that opposes the motion of the swing through the air. Additionally, you must overcome friction in the pivot points of the swing that can slow down your movement. Finally, you must generate enough force with your body to maintain the swinging motion against the gravitational force pulling you downward.
To overcome the inertia of an object at rest and start it moving, you need to apply a force to overcome the object's initial resistance to being put into motion. This force must be greater than the force of friction or other resistive forces acting on the object. Once this force is applied, the object will accelerate and start moving.
Pulley
Friction. Specifically, static friction. After the object begins to move, it will still be necessary to overcome rolling or sliding friction to keep it in motion.
think the answer is the word in your herat
Gravity
gravity
An unbalanced force is a force that causes change in motion. A force must also overcome friction before an object will move.
Resistance
To overcome the objects inertia