Answer:
Force exerted by the air on the propellers = 46000 - 9200
= 36800 N
Hope this helps!
Answer:
option C (1 and 4)
Explanation:
Like poles repel each other, unlike poles attract each other
the answer in my opinion would be A
-- Class I lever
The fulcrum is between the effort and the load.
The Mechanical Advantage can be anything, more or less than 1 .
Example: a see-saw
-- Class II lever
The load is between the fulcrum and the effort.
The Mechanical Advantage is always greater than 1 .
Example: a nut-cracker, a garlic press
-- Class III lever
The effort is between the fulcrum and the load.
The Mechanical Advantage is always less than 1 .
I can't think of an example right now.
Answer: B
Explanation: look at the chart, easy
