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
Scorpion4ik [409]
3 years ago
9

A perpetual motion machine can never be built because it is not possible to eliminate

Physics
1 answer:
d1i1m1o1n [39]3 years ago
8 0

Answer:

D. Friction

Explanation:

Friction is a force that opposes motion. So a perpetual motion machine can never be built because it is impossible to eliminate frictional force. It can only be reduced

You might be interested in
Select the correct answer.
Effectus [21]
A. logic, would be your answer i believe!
4 0
2 years ago
The force required to start an object sliding across a uniform horizontal surface is larger than the force required to keep the
taurus [48]

The force required to start an object sliding across a uniform horizontal surface is larger than the force required to keep the object sliding at a constant velocity once it starts.

The magnitudes of the required forces are different in these situations because the force of kinetic friction is less than the force of static friction. <em>(d)</em>

3 0
3 years ago
What is the working principle of an electric motor?
slava [35]
The answer B homie trust
5 0
3 years ago
Read 2 more answers
What is the definition of a parasite?​
saul85 [17]
An organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.
7 0
3 years ago
Please help me with this question. Every help is appreciated.
Brilliant_brown [7]

Answer:

Change in KE = +1.96×10^4 J while the change in ME = 0 J

5 0
2 years ago
Other questions:
  • 1. A soccer ball is kicked at ground level at 30 m/s at an angle of 53° to the horizontal.   a. How far away does it land? b. Ho
    11·1 answer
  • What happens to the strength of the magnetic field as you come closer to the current carrying wire
    10·1 answer
  • A resistor of 5 Ω is placed in a circuit. The voltage drop across the resistor is 12 V. What is the current through the resistor
    12·1 answer
  • For number 1 I'm really confused
    6·2 answers
  • You are exploring a newly discovered planet. The radius of the planet is 7.50 × 107 m. You suspend a lead weight from the lower
    5·1 answer
  • All of the following are electromagnetic waves except
    15·1 answer
  • A rifle is aimed horizontally at a target 50.0 m away. The bullet hits the target 2.90 cm below the aim point. . . Whats the bul
    14·1 answer
  • Rachel and Sarah are on a bus travelling at 5 mph past John who is standing on the sidewalk. Rachel then throws a ball
    8·1 answer
  • Would u rather/content creator or a rap artist
    9·1 answer
  • Batman (95kg) is standing on top of a 50m high building looking out over the city of Gotham. Given that he uses the potential en
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!