Centripetal Force

Front

What is centripetal force?

Back

Centripetal force is the net force that acts on an object moving in a circular path, directed towards the center of the circle.

Front

What is the formula for centripetal acceleration?

Back

Centripetal acceleration (a_c) is given by the formula a_c = v²/r, where v is the velocity and r is the radius of the circular path.

Front

How does the radius of a circle affect centripetal acceleration?

Back

The relationship is inverse; as the radius increases, the centripetal acceleration decreases.

Front

What provides the centripetal force for a car on a banked curve?

Back

The normal force provides the centripetal force for a car traveling around a frictionless banked curve.

Front

If the velocity of an object in circular motion triples, how does the centripetal force change?

Back

The centripetal force multiplies by 9, since it is proportional to the square of the velocity.

Front

What happens to centripetal force if mass is increased while keeping velocity constant?

Back

The centripetal force increases, as it is directly proportional to mass (F_c = m * a_c).

Front

What role does friction play in centripetal force?

Back

Friction can provide the necessary centripetal force for objects moving in circular paths, especially on flat surfaces.

Front

What is the relationship between velocity and centripetal force?

Back

Centripetal force increases with the square of the velocity; if velocity increases, centripetal force increases.

Front

What is the effect of increasing the radius on centripetal force, assuming constant mass and velocity?

Back

Increasing the radius decreases the centripetal force, as it is inversely proportional to the radius (F_c = m * v²/r).

Front

What is the direction of centripetal force in circular motion?

Back

Centripetal force always acts towards the center of the circular path.