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
Arturiano [62]
3 years ago
12

WHEN IN FRICTION not useful

Chemistry
1 answer:
Paladinen [302]3 years ago
6 0
Friction is not useful in Machinery sometimes, Since it leads to the wear and tear of machine parts.
You might be interested in
Atoms in a gaseous state have
Mumz [18]
More energy than atoms in a liquid state
6 0
3 years ago
Read 2 more answers
What is a rule for determining the atomic mass of an atom or ion ?
In-s [12.5K]

Answer:

Mass = Number of neutrons + Atomic number (aka number of protons)

Explanation:

4 0
3 years ago
Boats typically have several metal fittings where ropes can be fastened. What is the name for these metal fittings?
nadezda [96]
The name for these metal fittings is cleats.
Cleats refer to the hooks on your boat and the dock where you can fasten a boat in order to keep it from flowing away while you're not using it. A keel is located under your boat and provides stability; a transom is the part of your boat on the stern where the motor is located; a tiller is a lever you use to turn your boat. 
3 0
3 years ago
What mass of bromine reacts with 16.2 g of aluminium?
Goshia [24]
For every, 3 Br- ions, 1 Al3+ ion reacts to form AlBr3.

Convert 16.2g of aluminum to moles:

16.2g Al / 27.0g per mol = 0.60 mols.

Based on the above ratio, 0.60 mols of Al will react with 1.8 mols of Br.

Convert 1.8 mols of Br to its mass:

1.8 mols Br × 79.9g per mol = 143.82g of Br.
6 0
3 years ago
which of the following experiments follow ethical standards? A. Research on animals in which the animal experiences no fear or p
Tomtit [17]
Option A. follows the most ethical standards. Typically, it is frowned upon to do harmful things to other living things. Because the animals in option A feel no fear or pain, it is ethnically accepted.
8 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following is not considered a behavior?
    10·2 answers
  • Benzene is an organic chemical compound with the molecular formula C6H6. In the benzene molecule, carbon atoms form a ring with
    13·1 answer
  • What is the process of discovery that allows us to link abservations with actual facts?
    12·1 answer
  • Can you help me understand this ? I completely dont understand it ​. i know the tire will burst.
    15·2 answers
  • Some people rinse their freshly shampooed hair with diluted lemon juice or vinegar. Why is this done?
    12·1 answer
  • One atom of silicon can properly be combined in a compound with
    11·1 answer
  • Mendeléyev diseño su tabla casi al mismo tiempo que un químico alemán llamado Julius Lothar Meyer, quien la publicó un año despu
    10·1 answer
  • How much does it take to make a science explosion?
    5·2 answers
  • Can someone help me with this question please? I don’t understand molarity
    14·1 answer
  • pyrite is a mineral composed of 46.5 mass % iron and 53.5 mass % sulfur. determine the empirical formula for calcocite.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!