8. Centripetal Forces & Gravitation

A centripetal force causes circular motion because it accelerates an object in which direction?

In the context of circular motion, in which direction does the $Fc$ (centripetal force) act on an object moving in a circle?

In a roller coaster loop, at which point will the riders experience $centripetalacceleration$?

Which expression can be used to calculate centripetal acceleration for an object moving in a circle of radius $r$ with speed $v$?

To determine the magnitude of the centripetal acceleration $a\_c$ of a test mass moving in a circle, which of the following measurements are required?

In the context of a satellite moving in a stable circular orbit around a planet, what provides the centripetal force that keeps the satellite in its orbit?

Which force provides the $\mathrm{centripetal}\mathrm{force}$ that allows a car to move around a sharp curve on a roadway?

Which statement best explains how a $F\_c$ (centripetal force) causes circular motion?

Which formula can be used to find the centripetal acceleration of an orbiting object?

Which of the following expressions correctly gives the centripetal acceleration of an object moving in a circle of radius $r$ with speed $v$?

A ball of mass $m$ is attached to a string and swung in a horizontal circle of radius $r$ at a constant speed $v$. What is the magnitude of the centripetal force acting on the ball? (answer in newtons)

A runner moves at a constant speed of $8.0m/s$ around the ends of a track that are semicircular with a radius of $12.5m$. What is her centripetal acceleration during the turn at each end of the track?

In which of the following sports does $centripetalforce$ play a key role in the motion of the participants?