If the boy outputs enough weight upon the ball in response the ball will move. 
Please vote my answer brainliest! Thanks.
        
             
        
        
        
Answer:
b
Explanation:
the earths mass is more than the moon .
 
        
             
        
        
        
Explanation:
when there is an increase in thermal energy, the kinetic energy if the matter increases as well.
 
        
             
        
        
        
Answer:
false 20 n x 0.32 m = 6.4 J
 
        
             
        
        
        
Answer:
When touching metal doorknobs, for example; electrons can jump and give you electric shocks. Static charges build up on clouds untl the cant hold any more charges, at that point, lightning can occur. The study of electricity is where charges are not moving, and this is called electrostatics
Explanation: