1. (1 pt) Which statement is correct?
a. Charge flows in a closed circuit.
b. Voltage flows through an open or closed circuit.
c. Resistance flows through an open circuit.
d. Current is the primary cause of voltage.
2. (2 pts) Two po
The Law of Refraction
As you have seen, the direction of light propagation changes abruptly when light
encounters a reflective surface. The direction also changes abruptly when light passes
from one medium of propagation into another. In this case, the ch
1. (2 pts) Several paper clips dangle from the north pole of a magnet. The induced pole
in the bottom of the lowermost paper clip is a
a. north pole.
b. south pole.
c. north or south pole no difference really.
2. (1 pt) An iron nail is mo
HOOKES LAW AND SIMPLE HARMONIC MOTION
In mathematical form, Hookes law states that the force F on a spring (weight) is equal to
the product of the extension of the spring x and the stiffness of the spring (spring
F = -k x
This relationship is
Holt PhysicsChapter 5: Work and Energy
2. Work is defined as a force causing a displacement.
Physics: Unit 1 Test Electric Charge and Electric Field
Is it possible for two negative charges to attract each other?
Yes, they always attract.
Yes, they will attract if they are close enough.