4.12). As given in Figure 4, a thin uniform rod with mass M 3 kg and length I=0.4 m is fixed at one end and positioned horizontally. It swings after being released and collides with a stationary block of mass m=1 kg at the lowest point of its swing. Then the block sticks to the lower end of the rod and they keep swinging together until the rod makes an angle θ with the vertical. Find the maximum value of θ that the rod block system can move up to. The moment of inertia of the rod about its center is I rod=1/12mRod L^2
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.
4.12). As given in Figure 4, a thin uniform rod with mass M 3 kg and length I=0.4 m is
fixed at one end and positioned horizontally. It swings after being released and collides with a
stationary block of mass m=1 kg at the lowest point of its swing. Then the block sticks to the lower
end of the rod and they keep swinging together until the rod makes an angle θ with the vertical. Find
the maximum value of θ that the rod block system can move up to. The moment of inertia of the rod
about its center is I rod=1/12mRod L^2
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