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Examples of centripetal forces include gravity in orbiting satellites and tension in a spinning yo-yo. Centrifugal forces can be seen in the throwing of a ball from a moving car or the water sticking to the walls of a rotating bucket.

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What does the force diagram for circular motion look like?

In circular motion, the force diagram typically shows a centripetal force pointing towards the center of the circle, along with any other forces acting on the object. This centripetal force is necessary to keep the object moving in a circular path.


What is the relationship between constant acceleration a speed v and distance r from the origin for a particle travelling in a circle?

For a particle traveling in a circle at a constant speed, the acceleration is toward the center of the circle, known as centripetal acceleration. The acceleration is determined by the formula a = v^2 / r, where v is the speed of the particle and r is the distance from the origin (radius of the circle). This relationship shows that as the speed or radius changes, the centripetal acceleration will change accordingly.


What is the relationship between radial force and angular velocity squared?

The relationship between radial force and angular velocity squared is described by the centripetal force equation, which states that the radial force required to keep an object moving in a circular path is equal to the mass of the object times the square of its angular velocity, multiplied by the radius of the circular path. This relationship shows that an increase in angular velocity will result in a corresponding increase in the radial force needed to maintain the object's circular motion.


How do you calculate the centripetal acceleration of an object?

ac = v2/r, where the variables are: * 'a' is the centripetal acceleration in metres per second per second; * 'v' is the tangential velocity in metres per second; and * 'r' is the radius of motion in metres.


What two things does an arrow show us about a force?

An arrow shows the direction in which the force is acting and its magnitude or strength.

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