When a certain force is applied to an object with a mass of 2 kg, its acceleration is 10.0 m/s2. When the same force is applied to a different object, its acceleration is 4.0 m/s2. The mass of second object is

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Q: What will be acceleration of a body of mass 7 kg if a force of 420N is applied to if ?

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Q: What will be acceleration of a body of mass 7 kg if a force of 420N is applied to if ?

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!