(Figure 1) A bob of mass mis suspended from a fixed point with a massless string of length L (i.e., it is a pendulum). You are to investigate the motion in which the string moves in a cone with half-angle 8. Figure 0 T L m < 1 of 1 > ▼ What tangential speed, u, must the bob have so that it moves in a horizontal circle with the string always making an angle # from the vertical? Express your answer in terms of some or all of the variables m, L, and 6, as well as the free-fall acceleration g. ▸ View Available Hint(s) 195] ΑΣΦ Submit Part B 15] ΑΣΦΟ How long does it take the bob to make one full revolution (one complete trip around the circle)? Express your answer in terms of some or all of the variables m, L, and 0, as well as the free-fall acceleration g. ► View Available Hint(s) Submit a Provide Feedback ? w ? Ac Go
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.
![(Figure 1) A bob of mass m is suspended from a fixed point with a massless string of
length L (i.e., it is a pendulum). You are to investigate the motion in which the string
moves in a cone with half-angle .
Figure
A
< 1 of 1 >
What tangential speed, v, must the bob have so that it moves in a horizontal circle with the string always making an angle from the vertical?
Express your answer in terms of some or all of the variables m, L, and 0, as well as the free-fall acceleration g.
► View Available Hint(s)
IVE ΑΣΦ
V =
Submit
Part B
How long does it take the bob to make one full revolution (one complete trip around the circle)?
Express your answer in terms of some or all of the variables m, L, and 0, as well as the free-fall acceleration g.
► View Available Hint(s)
[35] ΑΣΦ
Submit
Provide Feedback
?
?
Ac
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