You are on a Ferris wheel that spins at 1 rpm. The ride is 26.6 m across. What is your apparent weight at the top of the ride if you have a mass of 96.4 kg?

A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 30 cm diameter stone is spinning at 200 rpm and has a mass of 23 kg. The coefficient of kinetic friction between the knife and the stone is 0.20. If the stone loses 10% of its speed in 10 s of grinding, what is the force with which the man presses the knife against the stone?

A speed skater goes around a turn that has a radius of 31 m. The skater has speed of 14 m/s and experiences a centripetal force of 460 N. What is the mass of the skater?

A phonograph record rotates at 45 rpm. Through what angle does it turn in 0.14 s

Mary and her younger brother Alex decide to ride the 26 ft diameter carousel at the State Fair. Mary sits on one of the horses in the outer section at a distance of 11 feet from the center. Alex decides to play it safe and chooses to sit in the inner section at a distance of 6 feet from the center. What is Mary's centripetal acceleration aM compared to that of Alex's centripetal acceleration aA? Give your answer as a multiple of aA.

A 5.0 g coin is placed 15 cm from the center of a turntable. The coin has static and kinetic coefficients of friction with the turntable surface of μs=0.80 and μk=0.50. The turntable very slowly speeds up to 60 rpm.Does the coin slide off?

The tires of a go-kart are 1 m in circumference. The tires revolve 15 times per second. What is the distance the go-kart travels in 40 seconds?

A Ferris wheel has radius of 4.8 m and makes one revolution in 7.4 seconds. A person weighing 686 N is sitting on one of the benches attached at the rim of the wheel. What is the apparent weight (that is, the normal force exerted on her by the bench) of the person as she passes through the highest point of her motion?

A bag of ball bearings weighs 21.56 N on earth and 3.52 on another planet. What is the acceleration due to the gravity on the other planet?

On the International Space Station an object with mass m = 440 g is attached to a massless string of length L = 0.61 m. The string can handle a tension of T = 5.8 N before breaking. The object undergoes uniform circular motion, being spun around by the string horizontally.What is the maximum speed v the mass can have before the string breaks? Give your answer in units of m/s.