Physics EOC Prep Quiz 3/4

20 Questions | By Klt7560 | Updated: Mar 19, 2022 | Attempts: 305

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This is the 3rd of 4 prep quizzes reviewing concepts from physics A and B.

Questions and Answers

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.
- 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?
- 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