You performed 0 work for the fact that work means the distance of movement made on an object not the amount of force it is exposed to. 0 work because it didn't move
        
             
        
        
        
<span>the speed of something in a given direction.   so i think none of these</span>
        
                    
             
        
        
        
Answer:
I would guess they'd probably be in an area they feel is habitatible. 
 
        
                    
             
        
        
        
Answer:
Please find the answer in the explanation 
Explanation:
Friction is a force that opposes motion. One or two of the advantages of friction are break and ability of an object to walk.
Writing yes it is useful because when your writing because friction helps you see what your writing 
ii. Rubbing. Yes, it is useful. 
friction make it possible for two object to rub each other 
 iii. Skiing. No. It is not useful because With presence of friction, skiing will not be possible. 
 iv. Rotating a wheel No. It is not useful because Friction will oppose the rotation of the wheel.