In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
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Question: Question: Greta gained weight after eating food. Her force of gravity 
 Answer: increased

Answer: Objects with greater mass have a stronger force of gravity.


Question: Question: If Mona shines a light through both wool and cotton and determines that cotton is more dense then wool, which material will the light move faster through? 
 Answer: wool

Answer: The more dense the medium, the slower the light moves.


Question: Question: If an object gains more charge, it will _____ electrostatic force. 
 Answer: gain

Answer:
The more charged the objects are, the stronger the electrostatic force between them.