1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
stira [4]
3 years ago
15

The eficiency of a simple machine can never be 100% why?​

Physics
1 answer:
Kitty [74]3 years ago
6 0

Answer:

Systems always tend toward a state of decreasing order unless more energy is provided into the system to counteract this tendency.

You might be interested in
A typical adult can deliver about 12.5 N·m of torque when attempting to open a twist-off cap on a bottle. Assume that bottle cap
Nikitich [7]
Uhhhhhhhhh just tryna get a point so I can ask a question so eh I’m using ur question heheheheheh
3 0
3 years ago
Why does static friction have a maximum value​
Naddik [55]

Answer:

If you push horizontally with a small force, static friction establishes an equal and opposite force that keeps the book at rest. As you push harder, the static friction force increases to match the force. Eventually maximum static friction force is exceeded and the book moves.

Explanation:

3 0
3 years ago
If a train travels at a speed of 40 km/h for 3 hours, how far will it travel
VikaD [51]
120 km/3 hours. 40/1=?/3 1x3=3 hours so 40x3=120 km
8 0
3 years ago
Read 2 more answers
PLEASE I NEED HELP ASAP!!!!!!!!!!
max2010maxim [7]

tooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo

3 0
3 years ago
PLEASE HELP ASAP WILL REWARD BRAINLIEST:))
laiz [17]

Answer:

120s^-1

Explanation:

v=12v

I=10A

and since rate is with time, therefore rate=energy/time.

H=IV

10×12=120/s

therefore the rate is 120s^-1

6 0
2 years ago
Other questions:
  • When a resistor is connected to a 12-V source, it draws a 185-mA current. The same resistor connected to a 90-V source draws a 1
    13·2 answers
  • Light of wavelength 630 nm falls on two slits and produces an interference pattern in which the third-order bright red fringe is
    15·1 answer
  • Is a vector necessarily changed if it is rotated through an angle ?​Explain
    12·1 answer
  • What is the part of the steam engine that does the work? A. The flywheel B. The cylinder C. The piston D. The turbine
    8·2 answers
  • Help me with this! I do not understand it! I will give brainliest!<br> Is it A B C or D
    7·2 answers
  • The function H(t) = -16t^2 + vt + s shows the height H (t), in feet, of a projectile launched vertically from s feet above the g
    15·1 answer
  • A) Charge q1 = +5.60 nC is on the x-axis at x = 0 and an unknown charge q2 is on the x-axis at x = -4.00 cm. The total electric
    9·1 answer
  • Which two particles are present in the nucleus of an atom? Electrons and neutrons Electrons and molecules 1 TH O Protons and neu
    15·1 answer
  • Find the relationship between 'g' and 'G'​
    10·2 answers
  • I am the only non-metal in Group 14. Who am I?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!