Answer:
4 
Explanation:
Mechanical Advantage is given as a ratio of the force a machines gives out to the force that it receives.
Simply put, it is the ratio of output force to input force:

We are given that:
OF = 60 N
IF = 15 N
Hence, the Mechanical Advantage of the lever is:

It is a ratio so it has no unit.
 
        
                    
             
        
        
        
1 liter = 1000 cm^3
20cm * 20cm * 20cm = 8000 cm^3
8000/1000 = 8 liters
Since 1ml of water = 1 cm^3 = 1 grams
8 liters = 8000 grams = 8 kilograms
        
             
        
        
        
Answer:
no its not like the undertow in the ocean
Explanation:
 
        
             
        
        
        
Zoroastrianism affected the way the Persians governed their subjects by allowing the territories under their rule to worship their own religion.
        
             
        
        
        
Answer:
F = 1300 N
Explanation:
F = mv²/R = 0.4(100²)/3 = 1333.3333...