Let's move it
Rate of change of velocity is called ___.
Acceleration
___ is the energy of an object due to its motion.
kinetic energy
A bulb is rated 220V, 40W. Calculate the eletrical energy used in one minute?
2,400 J
The buoyant force acting on the object increases, but only until a ___.
maximum
The two kinds of electrical circuits are ___.
series and parallel
Newton's third law of motion states that an object exerts a force on a second object, and that the second object exerts a force of ___.
equal magnitude but opposite in direction on the 1st
Sound will generally travel at around 300 m/s in the ___, 1,500 m/s in a ___, and 2,500 m/s in a ___.
air, liquid, solid
What is the voltage of a circuit with 10A of current and 20Ω of resistance?
200V
An upward force which acts on an object in a fluid.
Buoyant force
If you have a set of lights in series, what would happen if you remove a bulb?
the other bulbs turn off
It is a motion of an object when an object is thrown or projected at an angle into the air.
projectile motion
The ___ of energy states that energy cannot be destroyed or created, but can be changed from one form to the other
law of conservation
The resistance in the parallel circuit is described as ___.
1/R = 1/R1 + 1/R2 ...
Any state of matter that can flow is called ___.
Fluid
If one bulb is spoiled or removed from a complete ___, the circuit becomes incomplete and no current is allowed to flow through the circuit. The other bulb will not light up.
series circuit
A machine intentionally designed to perform simple task in indirect & overcomplicated fashion.
Rube Goldberg machine
When the pendulum bob reaches the highest point, it has the ___ amount of potential energy. It has no kinetic energy as it is not ___ . As it swings down, the energy changes into kinetic energy. At the lowest point, it has the greatest amount of kinetic energy and ___ amount of potential energy.
greatest, moving, minimum
Who are the scientists that gave their names to electrical units that have these symbols, V, A, and Ω, that impacted Electrical and Electronic Engineering?
Georg Simon Ohm, Alessandro Volta, and Andre-Marie Ampere
Of same size and shape, plastic A sits deeper in the water than plastic B, maybe because plastic A is ___.
denser
The current in a series circuit ___ as the number of components connected ___.
decreases ; increases
The ___ is a measure of its tendency to cause a body to rotate in whatever direction about a specific point or axis.
moment of a force
Heat is a measure of ___
the movement of particles of matter.
A blender of 0.5 kW runs 4 hours per month. The electric company charges 0.07 Baht per kilowatt hour. How much does it cost to run the blender that month?
0.14 Baht per month
When an object is less dense than the fluid it is in, the object will ___.
the object will float
Why is it dangerous to swim in ice cold water?
the heat leaves your body