Answer:
what are you saying man. They do provide structure.
Explanation:
 
        
             
        
        
        
Answer:
The direction of defliection of the site to the left I think .. 
 
        
             
        
        
        
The Wheel & Axle. The wheel has always been considered a major invention in the history of mankind
The Inclined Plane
The Wedge
The Pulley
The Screw
 
        
             
        
        
        
Mass is indirectly proportional to acceleration, so, lighter the object greater would be it's acceleration...
A) 0.10 kg is lightest among them, so it's your answer
 
        
                    
             
        
        
        
I would say that this is the first law of thermodynamics.