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ASVAB Exam Preparation: Physics and Electronics Concepts, Exams of Knowledge Management

A collection of questions and answers related to physics and electronics concepts relevant to the asvab exam. It covers topics such as mechanics, electricity, magnetism, and circuits, offering a basic understanding of these concepts. Suitable for individuals preparing for the asvab exam, particularly those seeking to enhance their knowledge in physics and electronics.

Typology: Exams

2024/2025

Available from 02/26/2025

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ASVAB 2024 EXAM
UPDATED QUESTIONS WITH VERIFIED CORRECT ANSWERS
"Newtons law of universal gravitation states that the force of gravitational attraction is
dependent upon which two variables - CORRECT ANSWER Mass and distance"
"A vehicle turns sharply around a corner, creating a sideways force that is applied to the
passengers. What is this force known as - CORRECT ANSWER Centrifugal Force"
"When two or more mechanical forces balance each other out, this is known as - CORRECT
ANSWER Equilibrium"
"Two balls of equal density, one larger than the other, collide with one another at the same speed
from opposite directions. What will happen the larger ball - CORRECT ANSWER It will continue
forward at a slower rate"
"In a double pulley system, how much force is needed to lift a 20kg weight - CORRECT
ANSWER 10kg force"
"What is the formula for calculating mechanical advantage (MA) - CORRECT ANSWER Output
force/input space"
"When 30 pounds of force is applied to 8 square inch of surface, what pressure is exerted -
CORRECT ANSWER 3.75 PSI Force/Area 30/8"
"Ohmmeter - CORRECT ANSWER Records the ohms, or the electrical resistance, in circuit"
"Ohm - CORRECT ANSWER Measures electrical resistance"
"Ampere - CORRECT ANSWER Measures electrical current"
"Volt - CORRECT ANSWER Measures Electrical Pressure (Voltages)"
"1 amp - CORRECT ANSWER It is equal to 120 watts"
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ASVAB 2024 EXAM

UPDATED QUESTIONS WITH VERIFIED CORRECT ANSWERS

"Newtons law of universal gravitation states that the force of gravitational attraction is

dependent upon which two variables - CORRECT ANSWER Mass and distance"

"A vehicle turns sharply around a corner, creating a sideways force that is applied to the

passengers. What is this force known as - CORRECT ANSWER Centrifugal Force"

"When two or more mechanical forces balance each other out, this is known as - CORRECT

ANSWER Equilibrium"

"Two balls of equal density, one larger than the other, collide with one another at the same speed

from opposite directions. What will happen the larger ball - CORRECT ANSWER It will continue

forward at a slower rate"

"In a double pulley system, how much force is needed to lift a 20kg weight - CORRECT

ANSWER 10kg force"

"What is the formula for calculating mechanical advantage (MA) - CORRECT ANSWER Output

force/input space"

"When 30 pounds of force is applied to 8 square inch of surface, what pressure is exerted -

CORRECT ANSWER 3.75 PSI Force/Area 30/8"

"Ohmmeter - CORRECT ANSWER Records the ohms, or the electrical resistance, in circuit"

"Ohm - CORRECT ANSWER Measures electrical resistance"

"Ampere - CORRECT ANSWER Measures electrical current"

"Volt - CORRECT ANSWER Measures Electrical Pressure (Voltages)"

"1 amp - CORRECT ANSWER It is equal to 120 watts"

"Watt - CORRECT ANSWER Measures electrical power (Energy consumed)"

"short circuit - CORRECT ANSWER A circuit with no resistance"

"Ohms law - CORRECT ANSWER The relationship between voltage, amperage and resistance"

"Voltage = - CORRECT ANSWER current (I) x resistance (R)

Amperes x Resistance"

"Current = - CORRECT ANSWER Voltage (V) / Resistance (R)

Volts / Amperes"

"Resistance = - CORRECT ANSWER Voltage (V) / Current (I)

Volts / Amperes"

"step-up transformer - CORRECT ANSWER Two electromagnets that increase the voltage of

the current"

"Rotor - CORRECT ANSWER A spinning electromagnets"

"Stator - CORRECT ANSWER A stationary loop of wires around the rotor in which electricity is

produced"

"capacitor - CORRECT ANSWER An electrical device used to store electrical charge."

"transformer - CORRECT ANSWER a device that increases or decreases the voltage of an

alternating current"

"Series circuit - CORRECT ANSWER a circuit where all parts are connected together as one

path."

"parallel circuit - CORRECT ANSWER an electrical circuit in which the current is divided into

two or more paths"

"Total resistance - CORRECT ANSWER The amount of resistance combined from multiple

resistors in a series and/or parallel circuit."

"what frequency do radio stations, tv's and radars usually broadcast on? - CORRECT ANSWER

radios 500-1700 KHZ, tv's 7-1,002 MHZ and radars 1-40 GHZ"

"how to magnetic motors work - CORRECT ANSWER they operate by kinetic energy"

"Heat Effect - CORRECT ANSWER conducting electricity causes wires to become heated"

"force - CORRECT ANSWER changes the velocity of an object"

"friction - CORRECT ANSWER acts in opposition to motion, causes effort work to be larger

than load work"

"Equilibrium - CORRECT ANSWER net force is zero when velocity is not changing"

"viscous drag - CORRECT ANSWER Like friction, however increases with speed, varies by

shape"

"gravity - CORRECT ANSWER causes objects to fall"

"mass - CORRECT ANSWER the amount of matter in an object"

"weight - CORRECT ANSWER A measure of the force of gravity on an object"

"camber - CORRECT ANSWER When a surface is curved"

"Airfoil - CORRECT ANSWER Shape of a wing, fan or propeller"

"leading edge - CORRECT ANSWER The part of the airfoil that meets the airflow first."

"upwash - CORRECT ANSWER Airstream that's directed upward"

"Trailing Edge - CORRECT ANSWER Where upper and lower airflow meet"

"lift - CORRECT ANSWER Caused by higher speed air flow over a lower speed air flow"

"Downwash - CORRECT ANSWER Airstream directed downward"

"thrust - CORRECT ANSWER the pushing or pulling force exerted by the engine of an aircraft or

rocket"

"drag - CORRECT ANSWER Resistance of the air (technically a fluid) against the forward

movement of an airplane."

"elastic recoil - CORRECT ANSWER the tendency for the lungs to recoil or reduce in volume

after being stretched or expanded."

"tension - CORRECT ANSWER rope under a force"

"tension rule - CORRECT ANSWER Tension is the same throughout"

"fluid - CORRECT ANSWER Any substance that can flow"

"components of force - CORRECT ANSWER The smaller the angle, the larger the effective

force"

"parallel - CORRECT ANSWER going a long the surface"

"normal - CORRECT ANSWER going into the surface"

"pulley - CORRECT ANSWER A simple machine that consists of a rope that fits into a groove in

a wheel"

"load - CORRECT ANSWER the materials carried by a stream"

"load distance - CORRECT ANSWER The distance a load moves when acted on by a load force."

"effort - CORRECT ANSWER the force applied to a simple machine"

"effort distance - CORRECT ANSWER The distance over which the effort force acts in a simple

machine."

“How many watts in a horsepower - CORRECT ANSWER 746 watts"

"Impedence - CORRECT ANSWER the opposition to alternating current presented by the

combined effect of resistance and reactance in a circuit"

"Hertz (Hz) - CORRECT ANSWER Measures frequency of alternating current, 1 HZ equals one

complete cycle per second"

"Most American Homes are at ___Hz - CORRECT ANSWER 60"

"Simple Circuits have 2 Separate Conductors - CORRECT ANSWER hot and grounded"

"Hot Conductor - CORRECT ANSWER conductor that carries electrical current to the load

usually black or another color"

"Grounded (Sometimes called neutral) - CORRECT ANSWER White"

"conduit - CORRECT ANSWER metal, plastic or fiber tube used to protect and route electrical

wiring in a building or structure"

"Diode - CORRECT ANSWER a device that allows the flow of electrical current in only one

direction"

"Magnetic Effect - CORRECT ANSWER When a wire is introduced into a magnetic field,

electricity flows through the wire and creates a magnetic field that repels a magnet. This effect is used to create energy through Electromagnetic Induction. If the wire is wrapped around an iron core and a current is sent through the wire, the iron become magnetized."

"Physiological effects - CORRECT ANSWER current produces this effect when it passes through

your bicep and causes the muscle to contract"

"frequency - CORRECT ANSWER the number of times that alternating currents changes

directions per second"

"buoyancy - CORRECT ANSWER the ability or tendency to float in water or air or some other

fluid."

"negative buoyancy - CORRECT ANSWER The force of the object is greater than the buoyant

force, and the object sinks"

"action and reactions - CORRECT ANSWER forces exist only in pairs"