PHYS 101 Homework week 2.docx - PHYS 101 Homework week 2 1 2\/2points ,.Whatisthe Correct(

# PHYS 101 Homework week 2.docx - PHYS 101 Homework week 2 1...

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PHYS 101 Homework week 2 1.   2/2 pointsTwo children pull on a sled in opposite directions, each pulling with a force of 27 N. What is the approximate net force acting on the sled?  2. 2/2 points Two children pull on a sled, one to the left with a force of 22 N and the other to the right with a force of 30 N. Consider the force of friction small enough to ignore. What is the net force acting on the sled? 3. 2/2 pointsA book is accidentally left on the roof of a car as the driver drives away. As the car and the book move with constant velocity along the street, what must be true about the magnitude (size) of the forces acting on the book? Choose the best answer. 4. 2/2 points A calculator is set on top of a book and the book is then pushed so that it slowly accelerates across a desk, taking the calculator with it. The person pushing the book does not touch the calculator. What type of force causes the calculator to accelerate? .