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General Physics
Test Description: General review of physics concepts.
Instructions: Answer all questions to get your test result.
1) What object has the greatest inertia?
A
a rising helium-filled toy balloon
B
a falling leaf
C
a seated high school student
D
a softball in flight
2) If the speed of a moving object is doubled, the kinetic energy of the object is...
A
doubled
B
quadrupled
C
unchanged
D
halved
3) Which situation describes a system with decreasing gravitational potential energy?
A
a rocket rising vertically from Earth's surface
B
a bicyclist riding up a steep hill
C
a girl stretching a horizontal spring
D
a boy jumping down from the limb of a tree
4) Compared to the speed of a sound wave in air, the speed of a radio wave in air is...
A
There is too little information to answer this question.
B
less
C
greater
D
the same
5) A wave of constant wavelength diffracts as it passes through an opening in a barrier. As the size of the opening is increased, the diffraction effects
A
increase
B
remain the same
C
decrease
D
There is too little information to answer this question.
6) A carpenter hits a nail with a hammer. Compared to the magnitude of the force the hammer exerts on the nail, the magnitude of the force the nail exerts on the hammer is
A
greater
B
There is too little information to answer this question.
C
less
D
the same
7) When a light wave enters a new medium and is refracted, there must be a change in the light wave's
A
period
B
color
C
speed
D
frequency
8) The time required for a wave to complete one full cycle is called the wave's
A
frequency
B
velocity
C
wavelength
D
period
9) Which fundamental force is primarily responsible for the attraction between protons and electrons?
A
electromagnetic
B
weak
C
gravitational
D
strong
10) The mass of a paperclip is approximately
A
1 x 10^3 kg
B
1 x 10^-6 kg
C
1 x 10^6 kg
D
1 x 10^-3 kg
*select an answer for all questions
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