• George Mason University

• PHYS 104

Northern Virginia Community College PHY 201, Spring 2018 Name: Ch. 4, 5 & 6 Answer the following multiple-choice questions (0.5 point each) 1) You push on box G that is next to box H, causing both boxes to slide along the floor, as shown in the figure. The reaction force to your push is A) the push of box G on box H. B) the push of box H on box G. C) the push of box G against you. D) the upward force of the floor n box G. E) the acceleration of box G. Answer: C ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 2) The figure shows two boxes, with m1 > m2, that are on a level frictionless surface. We can apply a horizontal force either toward the right on m1 or toward the left on m2. The magnitude of the force that the boxes exert on each other is A) zero newtons in either case. B) larger if is applied toward the right. C) larger if is applied toward the left. D) the same in either case. Answer: C ,,,,,,,,,,,,,,,,,,,,,,,