# Physics Hardest Trivia: Practice Test Questions! Quiz

40 Questions | Total Attempts: 347  Settings  Can you answer physics hardest trivia practice test questions? Physics is a very challenging subject, even if you have someone teaching you. Physics is the branch of scientific study concerned with the properties of matter and energy and how they interact with each other. This interaction includes heat, light, radiation, and gravity. Take this quiz and get ready to become an expert in Physics.

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• 1.
Accelerations are produced by
• A.

Forces

• B.

Velocities

• C.

Accelerations

• D.

Masses

• E.

None of the above

• 2.
A book weighs 2 N.  When held at rest in your hands, the net force on the book is
• A.

0.2 N

• B.

2 N

• C.

0 N

• D.

45 N

• E.

None of the above

• 3.
An object has a constant mass.  A constant force on the object produces constant
• A.

Velocity

• B.

Acceleration

• C.

Both A and B

• D.

None of the above

• 4.
Statics is the study of forces in
• A.

Acceleration

• B.

Motion

• C.

Equilibrium

• D.

Space

• E.

None of the above

• 5.
If you need to find the angle and you know the opposite side and the adjacent side you use the
• A.

Cosine rule

• B.

Sine rule

• C.

Tangent rule

• D.

Jedi rule

• E.

None of the above

• 6.
A vector is a quantity that has
• A.

Magnitude and direction

• B.

Time and direction

• C.

Magnitude and time

• D.

All of the above

• 7.
Which is the resultant vector from a 7 unit vector in the same direction as a 5 unit vector?
• A.

12 units

• B.

2 units

• C.

24 units

• D.

42 units

• E.

4 units

• 8.
When forces acting on an object are balanced, which characteristic of motion is zero?
• A.

Acceleration

• B.

Displacement

• C.

Speed

• D.

Velocity

• 9.
A 20 N physics textbook rests on a table.  What is the force the table exerts on the textbook?
• A.

0 N

• B.

9.80 N

• C.

20.0 N

• D.

40.0 N

• 10.
• A.

It continues to accelerate.

• B.

It moves with a constant speed.

• C.

It moves with increasing speed, then the speed gradually decreases.

• D.

• 11.
A 45 kg object is given a net force of 500 N.  What is its acceleration?
• A.

4.5 m/s/s

• B.

6.5 m/s/s

• C.

11 m/s/s

• D.

45 m/s/s

• 12.
A student is sitting at rest in a chair.  How does the force that the student exerts on the chair compare to the force the chair exerts on the student?
• A.

The same magnitude and the same direction

• B.

The same magnitude but the opposite direction

• C.

A larger magnitude but the opposite direction

• D.

A smaller magnitude but the same direction

• 13.
A student weighs 200 N.  If he is in an elevator that is accelerating upward at 2.00 m/s/s, what will be his weight?
• A.

159 N

• B.

200 N

• C.

241 N

• D.

400 N

• 14.
Wes hits a softball with a bat.  What is the force exerted on the softball by the bat?
• A.

Equal in both size and direction to the force exerted onh the bat by the softball

• B.

Equal in size but opposite in direction to the force exerted on the bat by the softball

• C.

Opposite in direction but much smaller than the force exerted on the bat by the softball

• D.

Opposite in direction but much larger than the force exerted on the bat by the softball

• 15.
Tyler is driving a pickup truck North on I-40 at 20 m/s.  Tyler suddenly stops the truck.  In which direction will Jade who is lying in the center of the frictionless truck bed move?
• A.

East

• B.

West

• C.

South

• D.

North

• 16.
A 46 kg rigid box is at rest on a horizontal floor.  A 22 kg child sits on top of the box.  A person pushes horizontally on the box with a force of 90 N.  The force of static friction between the box and the floor is 230 N.  What is the magnitude of the net force on the box?
• A.

0 N

• B.

140 N

• C.

670 N

• D.

990 N

• 17.
At a certain distance from the center of Earth, a satellite experiences a gravitational force, F.  If the mass of the satellite was doubled and placed into the same orbit, what gravitational force would the satellite have acting on it?
• A.

4F

• B.

2F

• C.

F/2

• D.

F/4

• 18.
The force that is exerted by a rope or wire or any object that pulls on another is the
• A.

X

• B.

Y

• C.

Jedi

• D.

Equilibrium

• E.

Tension

• 19.
A student walks 160 m in 150 s.  The student stops for 30 s and then walks 210 m farther in 140 s.  What is the average speed of the entire walk?
• A.

0.53 m/s

• B.

0.80 m/s

• C.

1.2 m/s

• D.

1.3 m/s

• 20.
An airplane went from 120 m/s to 180 m/s in 4.0 seconds.  What was its acceleration?
• A.

15 m/s/s

• B.

30 m/s/s

• C.

45 m/s/s

• D.

60 m/s/s

• 21.
There is a picture of Mona Lisa hanging from Shantales' wall.  If the tension force is 30 N and the angle it makes to the horizontal is 45', what is the weight of the picture?
• A.

38 N

• B.

40 N

• C.

30.9 N

• D.

42.3 N

• 22.
After returning home from the day at the beach, Chelsea hangs her wet bathing suit .20 kg in the center of the 6.0 m clothesline to dry.  This causes the clothesline to sag 4.0 cm.  What is the tension in the clothesline?
• A.

60 N

• B.

75 N

• C.

77 N

• D.

80 N

• 23.
Whenever an object hangs from wires, the sum of the vertical components of the tension in each wire is equal to the objects'
• A.

Mass

• B.

Velocity

• C.

Weight

• D.

Speed

• 24.
A ball is thrown straight up.  What will be the instantaneous velocity at the top of its path?
• A.

2 m/s

• B.

0 m/s

• C.

5 m/s

• D.

3 m/s

• 25.
A ball is thrown straight up.  What will be the acceleration at the top of its path?
• A.

0 m/s/s

• B.

2 m/s/s

• C.

9.8 m/s/s

• D.

20 m/s/s