Apulsar is a rapidly rotating neutron star that emits radio pulses with precise synchronization, there being one such pulse for each rotation of the star The period T rotation is found by mealuring the time between puises At present, the pusar in the central region of Ehe Crab nebula has a period of rotation of T0.10000000 and this is observed to be incfeasing at the rate of 0.00000f65 s/y. What is the angular velocity of the star? Tres 0/40 what is the anaular acceleration of the pulsar? San Tres 0/40 ts angular ecceleration is constant, in how many years will the puisar stop rotating? Tries 0/40 The puisar.ongineted in a super-nova explosion in the year A.D 1054. What was the period of rotation of the pulser when it was born? Tries 0/40
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.
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