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General Physics
Test Description: General review of physics concepts.
Instructions: Answer all questions to get your test result.
1) Scalar is to vector as...
A
speed is to distance.
B
displacement is to velocity.
C
displacement is to distance.
D
speed is to velocity.
2) A rock is dropped from a bridge. What happens to the magnitude of acceleration and the speed of the rock as it falls? [Neglect friction.]
A
Both acceleration and speed remain the same.
B
Acceleration increases and speed decreases.
C
Acceleration remains the same and speed increases.
D
Both acceleration and speed increase.
3) Which statement correctly describes one characteristic of a sound wave?
A
A sound wave is a transverse wave.
B
The amount of energy a sound wave transmits is directly related to the wave's amplitude.
C
A sound wave can travel through a vacuum (empty space).
D
The amount of energy a sound wave transmits is directly related to the wave\'s frequency.
4) On the atomic level, energy and matter exhibit characteristics of...
A
both particles and waves.
B
neither particles nor waves.
C
waves, only.
D
particles, only.
5) A student pull a 60-N sled with a force having a magnitude of 20-N. What is the magnitude of the force that the sled exerts on the student?
A
80-N
B
60-N
C
20-N
D
40-N
6) In a vacuum (empty space), all electromagnetic waves have the same...
A
phase
B
wavelength
C
speed
D
frequency
7) A 0.5-kg cart is rolling at a speed of 0.4 m/s. If the speed of the cart is doubled, the inertia of the cart is...
A
halved
B
doubled
C
quadrupled
D
unchanged
8) As a ball falls freely toward the ground, its total mechanical energy...
A
is converted to thermal energy.
B
decreases
C
remains the same
D
increases
9) The gravitational potential energy, with respect to Earth, that is possessed by an object is dependent on the objects...
A
speed
B
position
C
momentum
D
acceleration
10) A car is driven south in a straight line with decreasing speed. The acceleration of the car must be...
A
zero
B
directed northward
C
constant, but not zero
D
directed southward
*select an answer for all questions
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