Which of the following statement is incorrect?   Equilibrant is a single force that will balance a set of forces   Equilibrant is equal in magnitude to the resultant.   Equilibrant is equal in magnitude and direction of resultant.   Equilibrant is opposite in direction of resultant   When we say that light objects and heavy objects fall at the same rate, what assumption are we making?   They have the same shape.       They are falling in a same

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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!