A body movement will not change until it brakes or something makes it change
B.
The acceleration is directly proportional to the force but not to its mass
C.
Each object reacts to a movement over it with the same force and different direction
D.
The mass has not effect in a free fall
2.
What does the first thermodynamic law says?
A.
If two systems are level-headed, and a third system is level-headed with the second one, all the systems will have the same temperature
B.
The universe entropy will always increase
C.
A system temperature will never be absolute cero
D.
An isolated system can exchange energy with its environment in the form of work and heat
3.
What is momentum?
4.
What is the speed of light?
A.
300,000km/h
B.
1’080,000m/s
C.
1’080,000km/h
D.
300,000km/min
5.
Which of the next is false?
A.
It isn’t possible a process which only result it’s the result of transference of heat from a cold focal point to a hot one.
B.
In every real process of a system it’s entropy variation is non-existing or positive.
C.
The performance of every thermic machine is less or equal to the one of a reversible thermic machine that operates between the extreme temperatures of the cycle
D.
Is impossible to a dispositive that working in a cycle to entirely transform heat into work.
6.
Who first discovered the distance from the earth to the sun?
7.
102 401 in scientific notation is
A.
1.204x10^-7
B.
1.024x10^7
C.
1.204x10^5
D.
1.024x10^5
8.
What is the second law of thermodinamics?
A.
the energy cannot fluctuate between two systems
B.
the sum of the entropies of the interacting thermodynamic systems increases
C.
a system will always has a temperature under cero
D.
the energy of a system is affected by its mass and effort used in a process to move
9.
when taking about impulse, the correct meaning would be:
A.
the mass transference occurred by a collision of two objects
B.
the mass transference occurred by an elastic collision
C.
each object will always produce heat when crash with the other one
10.
what does "graviton" means
A.
a particle used to calculate the mass
B.
an hypothetical fermion that interacts with the universe space (gravity)
C.
an hypothetical boson that interacts with the universe space (gravity)
D.
a particle that interacts with the universe space (gravity)
