Science Flashcards
(22 cards)
Distance
length one point to another
Displacement
the movement of something regard its place and distance
Speed
the rate something moves at
Velocity
the speed in a given direction
Acceleration
rate of change of velocity
Gravity
the force that attracts you to the center of the earth
Newtons 3 Laws
a body at rest stays at rest, a change in force can produce on the motion of a body, when 2 body interact-they apply their forces to one another that are equal in magnitude
What is the acceleration due to gravity?
9.8 m/s/s
How does the mass of an object on Earth compare to its mass on the moon?
the same
How does the weigh of an object on Earth compare to its weight on the moon?
it is lighter on the mood due to gravity
What types of forces discussed in the unit
gravity, acceleration, velocity, speed
momentum
how much force is needed to change an objects motion
mass
refers to the total amount of matter contained within an object
What does a wave carry
energy
2 types of mechanical waves
longitudinal waves - meaning they vibrate parallel to the direction of wave propagation
transverse waves-particles move perpendicular
Everyday examples of transverse waves
ripples on water, vibration on guitar strings
Frequency
The rate at which something happens over a rate of time
hi
hi
amplitude
a measurement of the amount of energy transferred by a wave
What does it mean that wavelengths and frequency are inversely proposal
If one increases, the other decreases
To types of seismic waves
S waves and P waves
How does the energy from an earthquake travel through the earth
throught seismic waves
