You are holding a finishing sander with your right hand. The sander has a flywheel which spins counterclockwise as seen from behind the handle. You are sanding a wall in front of you.
As you turn the sander towards the right, you feel a tendency in the sander to A) turn towards the left.
B) turn upward.
C) turn downward.
D) push toward you.
E) pull away from you.
Question 2
Three boxes rest side-by-side on a smooth, horizontal floor. Their masses are 5.0 kg, 3.0 kg, and 2.0 kg, with the 3.0-kg mass in the center. A force of 50 N pushes on the 2.0-kg mass, which pushes against the other two masses.
What is the contact force between the 5.0-kg mass and the 3.0-kg mass? A) 0 N
B) 10 N
C) 25 N
D) 40 N
E) 50 N
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