In earlier days, horses pulled barges down canals in the manner . Suppose the horse pulls on the rope with a force of 7900 N at an angle of u = 18 to the direction of motion of the barge, which is headed straight along the positive direction of an x axis. The mass of the barge is 9500 kg, and the magnitude of its acceleration is 0.12 m/s2.What are the (a) magnitude and (b) direction (relative to positive x) of the force on the barge from the water?
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.
In earlier days, horses pulled barges down canals in the
manner . Suppose the horse pulls on the rope
with a force of 7900 N at an angle of u = 18 to the direction of
motion of the barge, which is headed straight along the positive
direction of an x axis. The mass of the barge is 9500 kg, and the
magnitude of its acceleration is 0.12 m/s2.What are the (a) magnitude
and (b) direction (relative to positive x) of the force on the
barge from the water?
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