Hello.
Streamlined objects are objects that rudeces ari resisternece.
Some objects are
1. ari
2. water
3. solor cars
4. some land
Have a nice day
A fixed pulley changes the direction of the force on a rope or belt that moves along its circumference.
The amount of energy needed to melt the ice is 1670 J
Explanation:
The amount of thermal energy needed to completely melt a certain amount of solid substance (already at melting point) is given by

where
m is the amount of the substance
is the specific latent heat of fusion of the substance
Here, the mass of the ice is
m = 5 g = 0.005 kg
And the specific latent heat of fusion of ice is

Assuming that the ice is already at melting point, the thermal energy needed to melt the ice is

Learn more about specific heat:
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brainly.com/question/4759369
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Answer:Third</h2>
Explanation:
Newton's third law states that every action force has a equal and opposite reaction force.
Example 1:
Consider yourself hitting a wall with your hand,you are exerting a force on the wall but still you feel hurt because the wall exerts same force on your hand in opposite reaction.
Example 2:
Consider yourself standing on ground.You are exerting force on ground.But how are you able to stand on ground even if your mass is forcing you to go down?The answer is normal reaction force.The ground exerts a force on your feet which makes you to stand still.