Chemistry
Force + Motion
Random
Waves/Fields
100
Yes
100
What is newton's third law?
Every action has an equal and opposite reaction
100
When a reaction releases thermal energy, this is called what?
exothermic
100
When you increase the amplitude of a wave, what happens to the energy?
it increases
200
Which state has the strongest bonds?
Solids
200
What is the net force and direction of the rope?
100N to the left
200
Kinetic energy increases with...
speed and mass
200
What happens to the wavelength when frequency increases?
it decreases
300
What is the density of an object that has a mass of 10g and a volume of 2mLs?
5 g/mL
300
What is happening in the motion graph below?
Moves away from starting point, stops, continues to move away from starting point
300
What impacts how much thermal energy an object can store?
mass, material, how much is was heated
300
Which planet is affected most by the gravitational pull of the star in the middle?
planet 1- closest to sun
400
What is happening between points d and e?
phase change- no temperature change
400
How much force is required to accelerate a 100kg object to 5m/s2?
F=1000kg * 5 m/s2= 5000 N
400
How is energy transferred in the following image?
from hand to hammer to nail.
400
How can you increase the strength of an electromagnet?
Increase the coils in the wire
500
Where are molecules moving the slowest, fastest?
slowest- A- solid
fastest- F- Gas
500
What does an object with more mass require to accelerate? What is the equation?
more force. f=m*a
500
Fireworks exploding is what kind of change?
chemical
500
Increase the distance between magnets does what to the potential energy?
Bonus: When do magnets no longer have an interaction?
Increases it
Bonus: Never- there is always a slight interaction