A) the tension in the string.
Answer:
The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is increased, the acceleration of the object is decreased.
Explanation:
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<span>The support force is 15 N. The net force on the book is zero.</span>
The answer would be, "1/560 seconds".
