# Physics EOC Prep Quiz 3/4

20 Questions | Attempts: 305
Share  Settings  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.
• 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

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