Physics EOC Prep Quiz 3/4
This is the 3rd of 4 prep quizzes reviewing concepts from physics A and B.
- 1.All except one of the following require the application of a net force. Which ones the expection?
- A.
To change an object from a state of rest to a state of motion
- B.
To maintain an object in motion at a constant velocity
- C.
To change an objects speed w/out changing its direction of motion
- D.
To maintain an object in uniform circular motion
- E.
To accelerate an object
- 2.A ball is thrown up at 15 m/s, whats the velocity after 3.0 seconds?
- A.
14 m/s up
- B.
14 m/s down
- C.
44 m/s up
- D.
44 m/s down
- E.
None
- 3.What is the magnitude of the accleration produced by a net force of 4500 N acting on a 900 kg automobile?
- A.
.20 m/s^2
- B.
3.8 m/s^2
- C.
5.0 m/s^2
- D.
9.8 m/s^2
- E.
None
- 4.A book weighing 10 N is held at rest in the palm of the hand. The reaction to the force of the hand on the book is a force of
- A.
10 N exerted by the Earth on the book
- B.
10 N exerted by the book on the Earth
- C.
10 N exerted by the book on the hand
- D.
0 N
- E.
9/8 m/s^2 in the downward direction arising from the force of the eart
- 5.A ball is projected upward with an initial velocity of 5 m/s. It will reach its maximum height in approximately
- A.
0.5 s
- B.
1.0 s
- C.
49 s
- D.
2.0 s
- E.
0.0 s
- 6.The nucleus of an atom is made of
- A.
Protons
- B.
Neutrons
- C.
Electrons
- D.
Protons & electrons
- E.
Protons & neutrons
- 7.Temperature can be described as
- A.
Heat
- B.
A measure of the average kinetic energy of the molecules of a substance
- C.
A fluid that flows between a hot and cold object
- D.
A physical quantity measured in calories
- E.
Energy transfer as a result of a temperature difference
- 8.Which of the waves below is not a transverse wave?
- A.
A sound wave
- B.
A water wave
- C.
An electromagnetic wave
- D.
A plucked standing wave on a string
- E.
Light
- 9.If the distance between two spherical charged objects is decreased by a factor of two, then the electrical force between the objects
- A.
Decreases by a factor of 4
- B.
Is half as big
- C.
Doubles
- D.
Increases by a factor of 4
- E.
None
- 10.A current of 2.5 A is flowing through a resistance of 18 Ohms. hat is the voltage difference across this resistance?
- A.
1.5 V
- B.
6 V
- C.
45 V
- D.
115 V
- E.
None
- 11.Which one of the following parts of the electromagnetic spectrum has the lowest frequency of oscillation?
- A.
Infrared rays
- B.
Ultraviolet rays
- C.
Visible rays
- D.
Gamma rays
- E.
X rays
- 12.What wave property distinguishes between different colors?
- A.
Intensity
- B.
Velocity
- C.
Polarization
- D.
Amplitude
- E.
Frequency
- 13.A massive bowling ball hangs from the rafters by a string. An identical string is tied to the bottom of the ball. A bowler quickly jerks downward on the lower string. Which string breaks and why?
- A.
The upper string breaks because of the inertial force of the ball.
- B.
The lower string breaks because of the inertia of the ball.
- C.
The upper string breaks because the weight of the ball combines with the pulling force.
- D.
The lower string breaks because the upper string pulls up on the ball.
- 14.
![A high school student holds a backpack one meter above the ground.
- ProProfs]( "A high school student holds a backpack one meter above the ground.")
A high school student holds a backpack one meter above the ground.- A.
F
- B.
G
- C.
H
- D.
J
- 15.If the drag force is greater than the applied force, which of the following describes the motion of the automobile?
- A.
Slowing down
- B.
Rotating
- C.
Speeding Up
- D.
Moving at constant speed
- 16.Which one of the following quantities is NOT a vector?
- A.
Distance
- B.
Velocity
- C.
Displacement
- D.
Acceleration
- 17.
![Earth’s gravity is acting on the diver. Which statement best describes the reaction force to Earth’s gravity in this situation?
- ProProfs]( "Earth’s gravity is acting on the diver. Which statement best describes the reaction force to Earth’s gravity in this situation?")
Earth’s gravity is acting on the diver. Which statement best describes the reaction force to Earth’s gravity in this situation?- A.
The diver is pulling on Earth with a force of 911 N.
- B.
The sun is pulling on Earth with a force of 5.97 ×1024 N.
- C.
Earth is pulling on the water with a force of 5.97 ×1025 N.
- D.
Earth is pulling on the air with a force of 2.28 ×104 N.
- 18.A baseball was thrown with an initial velocity of 14 m/s at an angle above the horizontal. It remained in the air for 2 s. Which of the following quantities was constant while the baseball was in the air?
- A.
Acceleration
- B.
Displacement
- C.
Position
- D.
Velocity
- 19.A 5.0 kg ball is moving in a 5.0 m horizontal circle every 3.0 s. The ball experiences _____________.
- A.
No net force
- B.
Centripetal Acceleration
- C.
Only the acceleration of gravity
- D.
Motion due only to its inertia
- 20.A bus is moving forward at 20 m/s. A student on the bus throws a tennis ball horizontally at 15 m/s toward the front of the bus. From the perspective of an observer on the sidewalk outside the bus, the tennis ball appears to move at —
- A.
5 m/s
- B.
15 m/s
- C.
20 m/s
- D.
35 m/s
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