Podcast
Questions and Answers
Centripetal force is always directed away from the center of the circle.
Centripetal force is always directed away from the center of the circle.
False (B)
The period of an object in circular motion is the time it takes to complete one full cycle.
The period of an object in circular motion is the time it takes to complete one full cycle.
True (A)
The minimum speed for circular motion is independent of the radius of the circle.
The minimum speed for circular motion is independent of the radius of the circle.
False (B)
Angular acceleration is the rate of change of angular displacement.
Angular acceleration is the rate of change of angular displacement.
A conical pendulum is a mass attached to a fixed point that swings in a straight line.
A conical pendulum is a mass attached to a fixed point that swings in a straight line.
Banking the outer edge of a road increases gravity's pull on passing vehicles.
Banking the outer edge of a road increases gravity's pull on passing vehicles.
The period of a pendulum depends on its length and the force applied to it.
The period of a pendulum depends on its length and the force applied to it.
Moment of inertia measures how easily an object can change its linear motion.
Moment of inertia measures how easily an object can change its linear motion.
Angular momentum is equal to the product of moment of inertia and angular acceleration.
Angular momentum is equal to the product of moment of inertia and angular acceleration.
Conservation of energy states that the total energy of a closed system remains constant over time.
Conservation of energy states that the total energy of a closed system remains constant over time.
The normal force acting on an object has two components: one perpendicular and one parallel to the surface.
The normal force acting on an object has two components: one perpendicular and one parallel to the surface.
The moment of inertia of an object about an axis parallel to its center of mass is always less than the moment of inertia about its center of mass.
The moment of inertia of an object about an axis parallel to its center of mass is always less than the moment of inertia about its center of mass.
