Elston attaches a spring scale to a box and pulls it across the floor. He then places a book in the box and pulls it in the same distance with the same effort. How does the force change after the book is placed in the box?%0D%0AResponses%0D%0A%0D%0Ait will decrease%0D%0Ait will decrease%0D%0A%0D%0Ait will increase%0D%0Ait will increase%0D%0A%0D%0Ait could increase or decrease depending on the weight of the book%0D%0Ait could increase or decrease depending on the weight of the book%0D%0A%0D%0Ait could increase or decrease depending on the weight of the box