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Center of Mass!
Find the center of mass of the equilateral triangle system.
Ferris Wheel!
How much time does it take for the attraction to do 10 full laps?
Fidget Spinner!
Calculate the number of spins the toy is able to complete before coming to rest.
Spinning Ballerina!
Calculate the dancer's angular speed when she contracts her arms.
Center of Mass – Cube!
If a single particle is removed, how much does its center of mass change?
Painter on a Ladder!
Find the minimum static coefficient of friction for the ladder to not slip.
Soccer Ball Rolling Down a Hill!
How fast is the soccer ball center of mass when it reaches the end of the slope?
Toy Mobile!
Calculate the values for the unknown masses so the toy is at equilibrium.
Standing on a Uniform Bar!
Find the maximum distance x where a 75 kg person can stand so the system maintains equilibrium.
Ball on a Hemisphere!
Find the speed of the sphere's centre as a function of the angle.
Rotating Cone!
Calculate the moment of inertia of the cone. Assume the mass is uniformly distributed.
Flat Right Triangle!
How does the center of mass change if the density is now uniform?
Three Moving Spheres!
Find the speed and kinetic energy of the system's center of mass.