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arlik [135]
3 years ago
10

If you have a book "sitting" on a table, the two forces acting on the book will be its

Physics
2 answers:
9966 [12]3 years ago
5 0
Yes there would be forces acting in the book
pishuonlain [190]3 years ago
3 0

Answer:Yes, there are forces acting on the book.

If the book is kept on a flat table then the forces acting on the book are Balanced in nature.

The weight of the book(=mg) acting downwards and the Normal Reaction acting upwards. The balanced nature of these 2 forces causes book to stay still on the table!

Explanation:

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A 2 kg basketball has a momentum of 4 kg m/s. What is the ball's velocity?
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4 0
2 years ago
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Suppose you have two small pith balls that are 5.5 cm apart and have equal charges of -29 nc?
zysi [14]
The question is missing, however, I guess the problem is asking for the value of the force acting between the two balls.

The Coulomb force between the two balls is:
F= k_e \frac{ q_1 q_2}{r^2}
where k_e=8.99\cdot10^9~N m^2 C^{-2} is the Coulomb's constant, q_1=q_2=29~nC=29\cdot 10^{-9}~C is the intensity of the two charges, and r=5.5~cm=0.055~m is the distance between them.

Substituting these numbers into the equation, we get
F=2.5~10^{-3}~N

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