A force is required to change an object's velocity.
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A force can change the motion of an object. Force is a push or a pull that can cause an object to start moving, stop moving, or change its direction or speed. Examples of forces include gravity, friction, and applied forces like pushing and pulling.
The tendency for an object to resist changes in motion is called inertia.
When an object changes its motion, it is experiencing acceleration. Acceleration involves a change in speed, direction, or both.
inertia, which is the tendency of an object to resist changes in its motion.
Resistance to changes in its state of motion is measured by inertia, which is the tendency of an object to maintain its velocity. The larger the mass of an object, the greater the inertia and resistance to changes in motion.
When an object changes position over time, the object is in motion.