Physics #1
Physics #2
Physics #3
Grab Bag
Miscellaneous
100
What does "d" stand for in this equation?
Distance
100
True or false: acceleration due to gravity increases as a falling object gets closer to the ground
False - acceleration due to gravity is always constant
100
What are the 4 forces in the universe?
Gravity, Electromagnetic Force, Strong Force, Weak Force
100
What is velocity?
Speed and direction
100
What is acceleration?
A change in velocity
200
Explain Newton's first law
Objects in uniform motion will stay in uniform motion unless acted upon by an unbalanced force.
200
Explain Newton's second law
Force=mass x acceleration
200
Name at least 3 of the 6 self-evident truths
Time symmetry, position symmetry, Occam's razor, existence, causality, non-contradiction
200
Explain Newton's 3rd Law
There is always an equal and opposite reaction
200
What are the four sources of knowledge?
Authority, Intuition, Reason, Sensory Data
300
Is gravitational potential energy greater when an object is closer to the earth or farther away from the earth?
Farther away
300
Name 4 quantities that are always conserved
Fundamental Particles
Charge (Total)
Angular Momentum
Mass
Energy (Total)
Linear Momentum
300
For like charges, is electric potential energy greater when the charges are closer together or further apart?
Closer together
300
What kind of heat transfer is conduction?
Direct contact
300
When does pressure increase? (Assuming the object is in liquid)
With depth
400
When a pole vaulter lands on the padded mat
after a successful clearing, where does the
energy go (scientifically speaking)?
a)Thermal energy
b)Chemical potential energy
c)Kinetic energy
d)Elastic energy
a)thermal energy
400
If I have 3 boxes of the same size submerged under water, one of lead, one of wood, and one of styrofoam, which one will have the greatest buoyant force acting on it?
The buoyant force will be the same for all
400
A shock is experienced by a person on a
trampoline when they touch the springs, what
happens to the total charge of the universe?
a)Decreases
b)Remains the same
c)Increases
b) remains the same
400
A lawn chair is held by a child in a pool.
When he releases it, it sinks to the bottom of
the pool. What can we say about buoyant force
on the lawn chair in relation to its weight?
The weight is greater than the buoyant force
400
If I see two events happen simultaneously in my reference frame, what will my friend in a different reference frame see?
The events happen at two different times
500
What happens to objects moving near the speed of light? (Think Special Relativity, and there are 3 answers)
They get short, fat, and slow
500
Let’s say you’re in a windowless airplane in
uniform motion, how do you determine if you’re
moving near the speed of light or not?
a)You can’t, there's no way to tell
b)Measuring the mass of labeled weights
c)Determine whether your meter stick is shorter
d)Determine whether your meter stick is wider
a) you can't tell
500
At what points is the net force zero?
1,3,5
500
Name an experiment that proves special relativity
Light clock, muons, particle accelerator, etc.
500
A balloon is rubbed on one’s head leaving their
hair positively charged. What moved and to
where?
a)Electrons move from the balloon to the hair
b)Electrons move from the hair to the balloon
c)Protons move from the hair to the balloon
d)Protons move from the balloon to the hair
b