Centripetal and Centrifugal Forces

What is the force that is required for an object to move in a circular motion?

• Centripetal force

• Centrifugal force

• Gravitational force

• Frictional force

In circular motion, the centripetal force should be ________ to the velocity of the object.

• Parallel

• Perpendicular

• Opposite

• Tangent

What happens to the radius of the circle when the centripetal force increases?

• The radius increases

• The radius decreases

• The radius remains the same

• The radius becomes infinite

Which force provides the necessary centripetal force for the moon to revolve around the Earth?

• Gravitational force

• Tension force

• Frictional force

• Magnetic force

What is the shape of the object's path when a force is applied perpendicular to its motion?

• Straight line

• Triangle

• Ellipse

• Circle

What is the pseudo force that is added when analyzing a rotating object from a non-inertial frame of reference?

• Centripetal force

• Centrifugal force

• Gravitational force

• Frictional force

In the centrifugal casting process, where does the molten metal move?

• Towards the center

• Towards the outer wall

• Upwards

• Downwards

What is the real force that a rotating object requires?

• Centripetal force

• Centrifugal force

• Gravitational force

• Frictional force

What happens to the shape of the water surface when the water volume rotates faster?

• It becomes flat

• It becomes concave

• It becomes convex

• It becomes irregular

What is the recommended force to use in scientific or engineering analyses instead of centrifugal force?

• Centripetal force

• Centrifugal force

• Gravitational force

• Frictional force