Unit 1
___ is the total ground traveled with scalar quantity while _____ is how an object has moved from its initial to final position with a vector quantity.
Distance
Displacement
Newton's 1st law is also known as the law of _____
What is the fixed point of a lever called?
Fulcrum
Where is the trough on a transverse wave?
The bottom
____is the bending of a wave caused by a change in its speed as it moves from one medium to another.
Acceleration is the rate of change in
velocity
Newton's 2nd law is ___
F=ma
List 4 of the 6 simple machines
pulley
lever
screw
wedge
incline plane
Wheel and axle
A ___ is a repeating disturbance or movement that transfers energy through matter or space.
Wave
Household circuits use ____ for protection.
circuit breakers
The Greek capital letter__________ would be the traditional mathematical sign for representing a change as well as variation in some kind of quantity or object.
delta
Newton's 3rd law is _________
To every action there is an equal and opposite reaction
What are compound machines?
Machines that have two or more simple machines
The ___ of a wave is the number of wavelengths that pass a fixed point each second.
Frequency
An object that cannot lose its magnetism over time is ____.
permanent magnet
The acceleration dur to gravity is ____.
9.8 m/s2
List 3 out of the 4 types of friction
Sliding
Rolling
Static
Fluid
You did 100 J of work to move a 10 N object. How far did you move the object?
10 m
How are Electromagnetic Waves different from other waves?
They can travel through a vacuum
The Angle of Reflection = The Angle of _______
Incidence
Motion is determined by ________
Reference Point
If an object is at equilibrium, the forces acting on the object are _____.
balanced
What is an example of a third class lever?
Various "stick like items"
What is the acronym for the colors of the rainbow?
ROY G BIV
Interference is the ability of 2 or more waves to combine to form a new wave. ______Interference makes the wave Louder;__________interference makes the wave Softer or cancels out.
Constructive
Destructive