I'm pretty sure the answer is d.The weight of the book and the table's upward force on the book are equal in magnitude but opposite in direction.
Answer:
Crumple zones are designed to absorb and redistribute the force of a collision. ... Also known as a crush zone, crumple zones are areas of a vehicle that are designed to deform and crumple in a collision. This absorbs some of the energy of the impact, preventing it from being transmitted to the occupants.
They'll vibrate at their characteristic resonant frequency. That depends on the material the object is made of and its shape.
answer: derived physical quantities are those quantities that are obtained from the basic physical quantities by multiplication or division and area is one of them
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