College Physics
11th Edition
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Publisher: Cengage Learning
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Transcribed Image Text:Q38.
A man pushes on a wall out of frustration with a force of 30 Newton. What force does the wall exert on
the man?
60 N
O 30 N
O 15 N
O ON
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- 3. Starting from rest, a 150 kg body experiences a force of 100 newtons acting on it in a direction parallel to the positive x-axis and a force of 150 newtons acting at 55° with respect to the positive x-axis.a. What is the net force acting on the body? Include direction.b. What is the acceleration of the body?c. What velocity does it reach after 5 seconds?arrow_forward5. DETAILS Three boxes, A, B, and C, are placed on a frictionless surface as shown in the diagram below. с Additional Materials Reading OSCOLPHYS2016 4.5.WA.048. B If you push on box A with a force of 8.25 N, find the contact force (in N) between each pair of boxes. Here m 5.15 kg, ma 3.40 kg, and me 1.50 kg. contact force between A and B contact force between B and C MY NOTES PRACTICE ANOTHER Narrow_forwardA 67 kg circus gymnast is suspended in the air by two ribbons which are tied to the ceiling above him. The two ribbons make an angle of 48 degrees withrespect to the ceiling. Assume gymnast is at rest. a. What is the magnitude of the tension force in each of the ropes?b. What is the reaction force associated with the gymnast’s weight?c. If the gymnast suddenly lets go of one of the ropes, what will be the horizontal component of his acceleration just after letting go?arrow_forward
- Starting from rest, a 150 kg body experiences a force of 100 newtons acting on it in a direction parallel to the positive x-axis and a force of 150 newtons acting at 55° with respect to the positive x-axis. a. What is the net force acting on the body? Include direction. b. What is the acceleration of the body? c. What velocity does it reach after 5 seconds?arrow_forward3. Starting from rest, a 125 kg body experiences a force of 150 newtons acting on it in a direction parallel to the positive x-axis and a force of 125 newtons acting at 45° with respect to the positive x-axis. a. What is the net force acting on the body? Include direction. b. What is the acceleration of the body? c. What velocity does it reach after 2.5 seconds?arrow_forward7. You put a box on a skateboard and give it a quick push with a certain force. It starts to move. After it leaves your hand, it will... * a. Continue at a constant speed forever. O b. Slow down constantly until it stops. c. Speed up constantly forever. d. Speed up for a little while, then go at a constant speed forever. e. Speed up for a little while, go at a constant speed for a while, then slow down to a stop. sheet of oaarrow_forward
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