PRA A 52.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 26.0 m. (a) What is the centripetal acceleration of the child? magnitude 2.28 V m/s? direction toward the center of the path (b) What force (magnitude and direction) does the seat exert on the child at the lowest point of the ride? magnitude 628 16 direction up toward the center (c) What force does the seat exert on the child at the highest point of the ride? magnitude 391 04 direction up away from the center v (d) What force does the seat exert on the child when the child is halfway between the top and bottom? (Assume the Ferris wheel is rotating clockwise and the child is moving upward.) magnitude direction counter-clockwise from the horizontal
Gravitational force
In nature, every object is attracted by every other object. This phenomenon is called gravity. The force associated with gravity is called gravitational force. The gravitational force is the weakest force that exists in nature. The gravitational force is always attractive.
Acceleration Due to Gravity
In fundamental physics, gravity or gravitational force is the universal attractive force acting between all the matters that exist or exhibit. It is the weakest known force. Therefore no internal changes in an object occurs due to this force. On the other hand, it has control over the trajectories of bodies in the solar system and in the universe due to its vast scope and universal action. The free fall of objects on Earth and the motions of celestial bodies, according to Newton, are both determined by the same force. It was Newton who put forward that the moon is held by a strong attractive force exerted by the Earth which makes it revolve in a straight line. He was sure that this force is similar to the downward force which Earth exerts on all the objects on it.
![A 52.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 26.0 m.
(a) What is the centripetal acceleration of the child?
- Magnitude: 2.28 m/s²
- Direction: toward the center of the path
(b) What force (magnitude and direction) does the seat exert on the child at the lowest point of the ride?
- Magnitude: 528.16 N
- Direction: up toward the center
(c) What force does the seat exert on the child at the highest point of the ride?
- Magnitude: 391.04 N
- Direction: up away from the center
(d) What force does the seat exert on the child when the child is halfway between the top and bottom? (Assume the Ferris wheel is rotating clockwise and the child is moving upward.)
- Magnitude: [Blank]
- Direction: [Blank] counter-clockwise from the horizontal
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