Physics Final
Ultimate Physics Challenge
Test your knowledge of physics with our comprehensive quiz designed for students, educators, and science enthusiasts alike. Dive into 54 questions that cover a wide range of physics concepts, from classical mechanics to thermodynamics.
Whether you’re preparing for an exam or just want to see how much you really know, this quiz is both informative and engaging. Here are some features:
- 54 diverse questions
- Multiple-choice format
- Instant feedback on your answers
Eratosthenes first learned about the position of the Sun in mid-summer
Setting up a stick at Alexandria.
Setting up a stick at Syene.
Consulting library information
Setting up sticks at both Syene and Alexandria
None
A hockey puck sliding across the ice finally comes to rest because
It seeks its proper and natural state.
That's just the way it is.
Of friction.
If no external forces act on a moving object, it will
Move slower and slower until it finally stops.
Come to an abrupt halt.
Continue moving at the same speed
None of the above
Neglecting air resistance, a ball projected straight upward so it remains in the air for 10 seconds needs an initial speed of
110 m/s.
80 m/s.
100 m/s.
50 m/s.
60 m/s.
What horizontally-applied force will accelerate a 400-kg crate at 1 m/s2 across a factory floor against a friction force half its weight?
2000 N
600 N
2400 N
1600 N
None of the above
A feather and a coin will have equal accelerations when falling in a vacuum because
The ratio of both the feather's and coin's weight to mass is the same.
The force of gravity does not act in a vacuum.
Their velocities are the same
The force of gravity is the same for each in a vacuum
None of above
In which case would you have the largest mass of gold? If your chunk of gold weighed 1 N on the
Planet Jupiter.
Moon.
Earth.
When a boxer hits a punching bag, the strength of his punch depends on how much force the bag can
Soften.
Exert on the boxer's fist.
Endure.
While you stand on the floor you are pulled downward by gravity, and supported upward by the floor. Gravity pulling down and the support force pushing up
Make an action-reaction pair of forces
Do not make an action-reaction pair of forces.
Need more information
A car traveling along the highway brakes to a stop over a certain distance. More braking force is required if the car has
Less stopping distance.
Less stopping distance.
More momentum
All of the above
None of the above
Two identical gliders slide toward each other on an air track. One moves at 1 m/s and the other at 2 m/s. They collide, stick, and moves at
3/4 m/s.
1/2 m/s.
1.5 m/s.
1/3 m/s.
1/6 m/s.
The work done in pushing a TV set a distance of 2 m with an average force of 20 N is
10 J.
800 J.
2 J.
40 J.
20 J.
Which has greater kinetic energy?
A car traveling at 30 km/hr
Both the same
A car of half the mass traveling at 60 km/hr
Need more information
If you place a pipe over the end of a wrench when trying to rotate a stubborn bolt, effectively making the wrench handle twice as long, you'll multiply the torque by
Eight.
Two.
Four.
You experience weightlessness
Momentarily when you step off a chair.
In the absence of a supporting surface.
In a freely falling elevator.
All of the above
While an airplane flies at 40 m/s at an altitude of 500 meters, the pilot drops a heavy package that falls to the ground. Neglecting air drag, about where does the package land relative to the
400 m behind the plane
500 m behind the plane
Directly beneath the plane
More than 500 m behind the plane
None of the above
Consider a moon that orbits one of our most distant planets in an elliptical path. The distance that the moon covers each day is
The same everywhere.
Greatest when closest to the planet.
Greatest when farthest from the planet.
Greatest when farthest from the planet.
Mass number refers to the number of
Protons in the nucleus.
Nucleons in the nucleus.
Neutrons in the nucleus.
A strong spring is stretched 10 cm by a suspended block. If the block's weight is doubled, the spring will stretch to
Its elastic limit.
20 cm.
15 cm.
40 cm
Flatten a spherical meatball into a hamburger and you increase its
Volume.
Surface area.
Both of these
None of these
The pressure at the bottom of a jug filled with water does NOT depend on
Water density.
The acceleration due to gravity
Surface area of the water.
The height of the liquid.
The height of the liquid.
What is the weight of water displaced by a 100-ton floating ship?
More than 100
Depends on the ship's shape
100 tons
100 cubic meters
Less than 100 tons
The energy source responsible for molecular motions in Earth's atmosphere is
The Sun.
Pressure caused by the weight of air.
Atmospheric tides.
Their own natural kinetic energy.
A bubble of air released from the bottom of a lake
Becomes larger as it rises.
Alternately expands and contracts as it rises.
Becomes smaller as it rises.
Rises to the top at constant volume.
None of the above
Translational motion is characterized by
Motion that carries a molecule from one place to another.
The motion used in measuring temperature.
Both of these
Neither of these
The specific heat capacity is highest for substances that absorb or release large quantities of heat for correspondingly
Large temperature changes.
Small temperature changes.
Small or large changes in temperature.
None of the above
Metals are good conductors of both heat and electricity due to
Both transferring energy easily.
Looseness of outer electrons in metal atoms.
Similar thermal and electrical conductive properties.
Relatively high densities of metals.
High elasticity of metals.
Soaring birds and glider pilots can remain aloft for hours without expending power, due to
Radiation.
Conduction
Convection
All of the above
The reason that evaporation is a cooling process is
The more energetic molecules escape the liquid.
Radiation of heat during the process.
Due to conduction and convection.
All of the above
None of the above
A volume of air that is compressed with no heat entering or leaving becomes
Cooler
Warmer
Remain unchanged.
None of the above
Systems alone tend to move toward a state of
No entropy.
More entropy.
Less entropy.
None of the above
Wave interference occurs for
Water waves.
Light waves.
Sound waves.
All of the above
None of the above
Compared to noise, musical sounds have
Musical notes.
Periodic tones.
Both of these
Neither of these
To say that electric charge is conserved means that no case has ever been found where
The total quantity of charge on an object has increased.
The total charge on an object has changed.
Net charge has been created or destroyed.
Quantity of negative charge on an object exactly balances positive charge.
None of the above
Two charges that are separated by one meter exert 1-N forces on each other. If the charges are pushed together so the separation is 25 centimeters, the force on each charge will be
4 N.
16 N.
1 N.
8 N.
2 N.
An iron rod becomes magnetic when
The net spins of many of its electrons are aligned.
Its atoms are aligned.
Its electrons stop moving and point in the same direction.
Opposite ions accumulate at each end.
None of the above
An aurora borealis high above the atmosphere is due to
Fountains of high-speed charged particles.
Trapping of charged particles by Earth's magnetic field.
Disturbances in Earth's magnetic field.
All of the above
Faraday's law underlies the operation of
The changing of traffic lights.
An electric guitar.
A shake flashlight.
All of the above
None of the above
Which of these electromagnetic waves have the shortest wavelength?
Infrared waves
Light waves
X-rays
Ultraviolet waves
Radio waves
Red sunsets are due to light of lower frequencies that
Are reflected by clouds and relatively large particles in the air.
Appear reddish-orange to the eye.
Are scattered from smaller particles in the air.
Are scattered from larger particles in the air.
Survive being scattered in the air.
When red, green, and blue lights shine on a golf ball, the shadows cast are
Black.
Red, green, and blue.
Magenta, cyan, and yellow.
None of the above
A mirage occurs when light travels faster
Near the ground than higher up.
In less dense air than more dense air higher up.
Both of these
Neither of these
The fanning out of waves upon passing through an opening is more pronounced through
Large openings.
Small openings.
Same for each
None of the above
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