(a) A luggage carousel at an airport has the form of a sectionof a large cone, steadily rotating about its vertical axis.Its metallic surface slopes downward toward the outside, makingan angle of 20.0° with the horizontal. A 30.0-kg piece ofluggage is placed on the carousel, 7.46 m from the axis ofrotation. The travel bag goes around once in 38.0 s. Calculatethe force of static friction between the bag and the carousel.(b) The drive motor is shifted to turn the carousel at a higherconstant rate of rotation, and the piece of luggage is bumpedto a position 7.94 m from the axis of rotation. The bag ison the verge of slipping as it goes around once every 34.0 s.Calculate the coefficient of static friction between the bag andthe carousel.
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) A luggage carousel at an airport has the form of a section
of a large cone, steadily rotating about its vertical axis.
Its metallic surface slopes downward toward the outside, making
an angle of 20.0° with the horizontal. A 30.0-kg piece of
luggage is placed on the carousel, 7.46 m from the axis of
rotation. The travel bag goes around once in 38.0 s. Calculate
the
(b) The drive motor is shifted to turn the carousel at a higher
constant rate of rotation, and the piece of luggage is bumped
to a position 7.94 m from the axis of rotation. The bag is
on the verge of slipping as it goes around once every 34.0 s.
Calculate the coefficient of static friction between the bag and
the carousel.
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