r.p.m. calculate the centripetal force acting on
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![An object of mass 0.4 kg is whirled in a
horizontal circle of radius 2 m. it if performs 60
r.p.m. calculate the centripetal force acting on
it.[specimen paper] (Oct. 1996, March 2001)
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- Centripetal force is any force that A. Acts on a rotating object B. Produced circular motion C. Pulls objects outward when they whirl about a central point D. Takes the place of gravityhelp pleaseA car is going around a circular track on a banked curve at constant speed.Draw an FBD with all forces acting on the car (from different directions) Draw a separate FBD with just the just the direction of the net Force acting on thecar.The car has a mass of 990 kg, a speed of 24 m/s and the track has a radius of 157 meters.Calculate the acceleration and the centripetal force on the car.
- Help solvingUsing your knowledge of centripetal and centrifugal forces, explain theforces felt by a person on an amusement park swinging chair ride.Draw FBDs in your answer. Also explain why the people swing higher asthey go faster.Calculate the centripetal force (in N) on the end of a 53 m (radius) wind turbine blade that is rotating at 0.2 rev/s. Assume the mass is 7 kg.
- a) What force does the ground exert on a 1,200 kg car as it moves at 15 m/s through a dip in the road with a path radius of 30 m? b) What is the weight of the car in Newtons and pounds. c). What is the F(centripetal force) acting on the car?5) Find the linear speed of the bottom of a test tube in a centrifuge if the centripetal acceleration is 52,000 times the acceleration of gravity. The distance from the axis of rotation to the bottom of the test tube is 7.5 cm.A child sitting 1.90 m from the center of a merry-go-round moves with a speed of 2.15 m/s - Calculate the centripetal acceleration of the child. - Calculate the net horizontal force exerted on the child. (mass = 34.5 kg)
- 3. The wheel of fortune is 2.6 meters in diameter. A contestant gives the wheel an initial velocity of 2 m/s. Calculate the centripetal acceleration and force that a 8kg mass would have.Determine the centripetal force acting upon a 40-kg child who makes 10 revolutions around the merry-go-round in 29.3 seconds. The radius of the merry-go-round is 2.90 metersDetermine the velocity that a car should have while traveling around a frictionless curve of radius100m and that is banked 20 degrees.