When a vehicle takes a sudden turn towards the left, the person seated inside the vehicle is pushed towards the right is the example of A) inertia of velocity B) inertia of mass C) inertia of gravity D) inertia of direction

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!