What is a carburetor and what is its role in the internal combustion engine - answer✔A device
that filters air and mixes fuel in an engine
What is the difference between a disc brake and a drum brake, and how do they function to
stop a vehicle - answer✔Disc brakes use friction pads to stop the rotor, while drum brakes use
shoes to press against a drum
A vehicle turns sharply around a corner, creating a sideways force that is applied to the
passengers. What is this force known as - answer✔Centrifugal Force
When two or more mechanical forces balance each other out, this is known as -
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 - answer✔It will continue
forward at a slower rate
Newtons law of universal gravitation states that the force of gravitational attraction is
dependent upon which two variables - answer✔Mass and distance
In a double pulley system, how much force is needed to lift a 20kg weight - answer✔10kg force
What is the formula for calculating mechanical advantage (MA) - answer✔Output force/input
space
A ball is thrown with a force of 38N to a distance of 2.8 meters. How much work was created
through this action - answer✔89.5 Joules Force X Distance =
In mechanics, vector quantities are quantities that posses both magnitude and what else -
answer✔Direction
When 30 pounds of force is applied to 8 square inch of surface, what pressure is exerted -
answer✔3.75 PSI Force/Area 30/8
When more than two gears are rotating, what can we say about the speed of the smaller gear -
answer✔It rotates faster than the larger gear
What are Registers - answer✔These can be either analog or digital and are responsible for
recording the values being measured in a graph where the value of the magnitude is shown
over a period of time
Ohmmeter - answer✔Records the ohms, or the electrical resistance, in circuit
Ohm - answer✔Measures electrical resistance
Ampere - answer✔Measures electrical current
Volt - answer✔Measures Electrical Pressure (Voltages)
1 amp - answer✔It is equal to 120 watts
Watt - answer✔Measures electrical power (Energy consumed)
short circuit - answer✔A circuit with no resistance
Ohms law - answer✔The relationship between voltage, amperage and resistance
Voltage = - answer✔current (I) x resistance (R)
Amperes x Resistance
step-up transformer - answer✔Two electromagnets that increase the voltage of the current
Step-down transformer - answer✔Two electromagnets that decrease the voltage of the current
Generator - answer✔A device used to convert mechanical energy (Kinetic) into electrical energy
Motor - answer✔a device that converts electrical energy into mechanical energy (Kinetic)
Rotor - answer✔A spinning electromagnets
Stator - answer✔A stationary loop of wires around the rotor in which electricity is produced
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