Answers (GRADED A)
How many watts in a horsepower -ANSWER - 746 watts
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
Current = -ANSWER - Voltage (V) / Resistance (R)
Volts / Amperes
Resistance = -ANSWER - Voltage (V) / Current (I)
Volts / Amperes
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