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Objects move if they have momentum. Momentum is gained via an applied force. Therefore objects start or stop moving when a net force is working on them.
An unbalanced force can: change the speed an object moves at change the direction an object is moving cause an object to start/stop moving
If the forces on an object are unbalanced then the objects motion will change. It will start accelerating in the direction of the resultant force. Only objects that have balanced forces will remain in the same motion (stationary or moving at a constant speed).
I have to guess either gravity or friction.If by that you mean a force that opposes the start of motion, then your force would be static friction.Static friction only occurs before an object starts moving, as opposed to kinetic friction which occurs when the objects is moving or sliding. The equation for static friction is: Ff = (coefficient of static friction) * FNInertia
Inertia
Objects move if they have momentum. Momentum is gained via an applied force. Therefore objects start or stop moving when a net force is working on them.
Objects start out as either a rest or moving. If they are at rest, they require a force to be applied for them to start moving. If they are moving, they require a force to either slow them down or to make them stop. That means that once something starts moving, it will move forever, unless a force slows it down. The catch is that the force can be friction.
the name of the force is called friction
An unbalanced force can: change the speed an object moves at change the direction an object is moving cause an object to start/stop moving
If the forces on an object are unbalanced then the objects motion will change. It will start accelerating in the direction of the resultant force. Only objects that have balanced forces will remain in the same motion (stationary or moving at a constant speed).
I have to guess either gravity or friction.If by that you mean a force that opposes the start of motion, then your force would be static friction.Static friction only occurs before an object starts moving, as opposed to kinetic friction which occurs when the objects is moving or sliding. The equation for static friction is: Ff = (coefficient of static friction) * FNInertia
Gravity
Inertia
a force and inertia
Inertia
A force or acceleration
Sticky friction.