Newton's Laws of Motion
What law states that an object in motion stays in motion unless acted on by an external force?
First Law
What is the net force when all forces acting on an object are equal?
Zero
What happens when like charges interact?
What happens when opposite charges interact?
Like Charges repel
Opposite charges attract
What type of wave requires a medium to travel?
What type of wave can travel through empty space?
Mechanical
Electromagnetic
What material did Isaac Newton try to make using chemistry?
Gold
Paddling a canoe is an example of this Newton's Law
Third Law
What is the term for the overall force acting on an object?
Net
How do you increase the power of an electromagnet?
2 answers
Increase the number of coils
Increase the battery power
What is reflection?
What is refraction?
What is diffraction?
Bouncing back of a wave
Bending of a wave through different mediums
Bending of a wave around an object
What university did Newton attend?
Cambridge
What is the term for the tendency of an object to resist changes in motion?
Inertia
What is the difference between mass and weight?
Mass is the amount matter in an object
Weight is force exerted on matter by gravity
What is the region around a magnet where force is exerted called?
Magnetic Field
On the electromagnetic spectrum, which wave has the lowest frequency?
Highest Frequency?
Radio
Gamma
What did Mr. Robertson originally go to college for?
To be a veterinarian
A person has to use twice as much force to move a full shopping as opposed to one that is full of groceries.
Second Law F=MA
What happens to weight on the Moon compared to Earth?
Your weight on the moon is one-sixth of that on earth
Where does the Earth's magnetic field come from?
Hint: It's a layer
The outer core made mostly of iron and nickel
Which color of visible light has the longest wavelength?
Red
What state is Mr. Robertson from?
Kentucky
You are traveling in a car and suddenly slam on the brakes. Your body keeps moving forward.
First Law
What is the formula for weight involving gravity?
What is the acceleration due to gravity?
W=mg
W=weight
m=mass in kg
g=9.8m/s2
This is how electricity travels (The flow of electrons)
In a current
What is the speed of light in a vacuum?
300,000,000 m/s
186,000 miles per second
Who is Mr. Robertson's favorite guitar player?
Who is Mr. Robertson's favorite band?
Eddie Van Halen
Metallica or Pink Floyd