Mechanics> acceleration on mars...
1 AnswersThough the atmosphere does not play any role in the acceleration due to gravity of a palnet, it does retard the motion of a body during it's motion as it will definitely provide a certain amount of friction no matter the body's direction of motion. this is the reason the raindrops falling from the sky fall at a uniform velocity (known as terminal velocity) rather than falling with a acceleration. the denser the atmosphere, the more retardation affect it will exert.
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Three identical balls are placed on a frictionless
horizontal surface touching each other. They stick to
each other because of adhesive. Another ball of same
radius and mass m is placed over the void created by
the three balls. Find the forces applied by the balls
kept on the floor to each other if the system remains
in equilibrium.
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A car loaded with water having total mass 1000 kg moves on a straight horizontal Road starting from rest under the action of a force of 100 Newton. The water spills throw a small hole in the bottom at a rate of 0.1 KG per second the velocity of cart after 300 seconds is nearly.
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