Two tiny beads are 25 cm apart with no other charges or fields present. Bead A carries 10 µC of charge and bead B carries 1 µC. Which one of the following statements is true about the magnitudes of the electric forces exerted on these beads?

A) The force exerted on A is 10 times the force exerted on B.
B) The force exerted on B is 10 times the force exerted on A.
C) The force exerted on A is exactly equal to the force exerted on B.
D) The force exerted on A is 100 times the force exerted on B.
E) The force exerted on B is 100 times the force exerted on A.


C

Physics & Space Science

You might also like to view...

What is the key distinction between protostars and true (main-sequence) stars?

A) Protostars generate most of their energy from gravitational contraction, and stars generate it from nuclear fusion. B) Protostars are larger and more luminous than stars. C) Protostars have stronger magnetic fields than stars. D) Protostars are supported by thermal pressure, and stars are supported by degeneracy pressure.

Physics & Space Science

An 8.0-kg object rests on the floor of an elevator which is accelerating downward at a rate of 1.3 m/s2. What is the magnitude of the force the object exerts on the floor of the elevator?

a. 59 N b. 10 N c. 89 N d. 68 N e. 78 N

Physics & Space Science

The planetary model of the atom was fundamentally flawed. It failed theoretically because

A. a perfectly circular orbit would violate the laws of gravitation. B. electrostatic attraction would not be sufficient to keep the electron/nucleus in a bound state. C. it predicted positive and negative charge equally distributed throughout the atom. D. it was well established experimentally that accelerating electrons emit electromagnetic radiation. E. it did not provide for the existence of neutrons.

Physics & Space Science

Galileo's discovery of Saturn's moons proved that Earth, too, could move and still keep its satellite

a. True b. False Indicate whether the statement is true or false

Physics & Space Science