Question

Explain the interaction between centripetal force and inertia and what kind of motion this interaction causes.

Answer 1

Answer:

• By Newton's law of motion, the first law states that a body persists in its state of rest or in uniform motion until it is compelled by any external force to change its state of rest pr of uniform motion.
• The state of rest mentioned in the above Newton's law describes the inertia of an object. Centripetal force having a direction of force, perpendicular to the object's line of action, is a form of force which compels the object to change its course of action, in a way trying to pull it towards the central point.
• The act of centripetal force along with inertia of an object pushes the object to follow a circular path, while trying to fix its motion towards the center of the circle.
• Therefore, the kind of motion that the interaction between the centripetal force and inertia causes is circular motion.

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Answer 2

Answer:

If no outside force acts on an object, it will tend to continue travelling in a straight line. The interaction of centripetal force and inertia causes an object to travel in a circle because centripetal force forces an object to constantly change directions.

Explanation :

• Newton's first law of motion states that until an outside force acts on an item, it will remain in either a condition of rest or motion. This defines inertia and is also referred to as the Law of Inertia. A body's inertia is a quality that makes it resist attempts to set it in motion or, if it is already moving, to change the speed or direction of it. A body's inertia is a passive characteristic that only allows it to oppose active agents like forces and torques.
• The force applied to an item in curved motion that is pointed toward the axis of rotation or the centre of curvature is known as a centripetal force. The Centripetal Force Formula states that the centripetal force is the product of mass (in kg) and tangential velocity (in metres per second) squared, divided by the radius (in metres).
• This formula implies that the centripetal force will double with a doubling of tangential velocity. The centripetal force causes angular or circular motion by pulling or pushing an item in the direction of the centre of a circle as it moves. The stress on the rope pushes the object toward the centre when you spin a ball on a string or twirl a lasso.
• When a car is spinning, the frictional force between the ground and the wheels produces the centripetal force.
• Hence, Interaction between inertia and centripetal force causes the body to move in a circular motion.

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