Please answer all with explanation. The following questions are in regard to the situation where you...
Please answer all with explanation.
The following questions are in regard to the situation where you
press an apple crate against a
wall so hard that the crate cannot slide down the wall.
a)What is the direction of the static frictional force →fs on the
crate from the wall?
a. Horizontal, away from you
b. Downward
c. Upward
d. Horizontal, towards you
What is the direction of the normal force→FN on the crate from the wall?
a. Horizontal, away from you
b. Downward
c. Upward
d. Horizontal, towards you
If you increase your push, what happens to fs?
a. Increase
b. Decrease
c. No change
If you increase your push, what happens to FN?
a. Increase
b. Decrease
c. Remain the same
If you increase your push, what happens to fs, max?
a. Increase
b. Decrease
c. Remain the same
Homework Answers
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Please answer all with explanation.
The following questions are in regard to the situation where you...
The answer for part two is below please explain your reasoning for part 1 and 2....
The answer for part two is below please explain your reasoning
for part 1 and 2.
1. In the diagram below, the box is stationary and the angle θ between the horizontal and the applied force is gradually increased (i.e. the force points more downward). Do the following quantities increase, decrease, or remain the same? a) Fx b)左 c) Fv d) fs,.max e) If instead, the box is sliding and θ is increased, does the magnitude of the frictional force...
You are in your favorite elevator, coming to a stop as you go from the ground...
You are in your favorite elevator, coming to a stop as you go from the ground floor to the 4th floor. a) What forces are acting on you as you are coming to a stop in the elevator? Normal force upward and Force of gravity upward Normal force downward and Force of gravity upward Normal force downward and Force of gravity downward Normal force upward and Force of gravity downward Just the Force of gravity downward b) As you are...
Please answer all parts of the Question. Read each question carefully. Show all your work for...
Please answer all parts of the
Question.
Read each question carefully. Show all your work for each part of the question. The parts within the question may not have equal weight. A block of mass m is placed on an inclined plane that makes an angle with the horizontal, as shown in the figure. The coefficients of static and kinetic friction between the block and the surface are , and , respectively. Express your answers in parts (b) and (c)...
Hi, please help me check my answers for two physics problems. If they are wrong, please...
Hi, please help me check my answers for two physics problems. If
they are wrong, please explain it so I could learn and correct the
mistake. Thank you.
[For the first problem, I got: push= 2598J, normal= 0,
weight= 0, friction= -1920J. I calculated net work to be 678J
]
[For the second problem, I got push=250J, normal and weight= 0,
friction = -200J. I calculated net force to be 50J, which is
positive]
3. A dockworker pushes a 50...
Answer all questions. Please. 5) The earth is a huge magnet... in the northern hemisphere which...
Answer all questions. Please.
5) The earth is a huge magnet... in the northern hemisphere which magnetic pole would be located there? a) Northern magnetic pole b) Southern magnetic pole c) Geographic north d) Geographic south 8) A resistor is put in a circuit to control the amount of charge that flows through it. In the process of controlling the charge, what will happen to the body of the Resistor? a) It will get hot b) It will remain unchanged...
Need Help ASAP! If you could also include an explanation, that would be amazing! Thanks in...
Need Help ASAP! If you could also include an explanation, that
would be amazing! Thanks in advance
A satellite travels around the Earth at constant speed in a uniform circular orbit that passes directly above Norman. At the moment the satellite is directly above Norman. What is the direction of the net force on the satellite ? Tangential to the orbit in the direction of motion. Tangential to the orbit opposite the direction of motion. Radially downward, towards Norman. Radially...
5) Little Bobby is pushing a cart and the cart starts to slow down, which free...
5) Little Bobby is pushing a cart and the cart starts to slow down, which free body diagram below is correct for the cart slowing down as Little Bobby continues to pushes. A) F FN F D) FN F applied F applied applied F applied 6) Bob applies a force with a magnitude of |F = 160 N to a box downward at an angle = 60° relative to the horizontal, the box has a weight of 196 N and...
You want to nail a 1.3 kg board onto the wall of a barn. To position...
You want to nail a 1.3 kg board onto the wall of a barn. To position the board before nailing, you push it against the wall with a horizontal force F to keep it from sliding to the ground Figure 6-30 (a) If the coefficient of static friction between the board and the wall is 0.85, what is the least force you can apply and still hold the board in place? N (b) What happens to the force of static...
Hello! Could you please answer all questions? I think the ones I put in blue are...
Hello! Could you please answer all questions? I think the ones I
put in blue are correct but I am not too sure.
QUESTION 7 Suppose people expect inflation to be 3 percent during the next several years. When the real interest rate is 5 percent, the money, or nominal interest rate, will be a. 1 percent. b. 7 percent. c. 4 percent. d. 8 percent. QUESTION 8 The idea that people like to work more for higher wages, but...
Could you please show your work as well? Thank you! The weight of the block in...
Could you please show your work as well? Thank you!
The weight of the block in the drawing is 68.5 N. The coefficient of static friction between the block and the vertical wall is 0.400 Block (a) What minimum force F is required to prevent the block from sliding down the wall? (Hint: The static frictional force exerted on the block is directed upward, parallel to the wall.) (b) What minimum force is required to start the block moving up...
The answer for part two is below please explain your reasoning
for part 1 and 2.
1. In the diagram below, the box is stationary and the angle θ between the horizontal and the applied force is gradually increased (i.e. the force points more downward). Do the following quantities increase, decrease, or remain the same? a) Fx b)左 c) Fv d) fs,.max e) If instead, the box is sliding and θ is increased, does the magnitude of the frictional force...
Please answer all parts of the
Question.
Read each question carefully. Show all your work for each part of the question. The parts within the question may not have equal weight. A block of mass m is placed on an inclined plane that makes an angle with the horizontal, as shown in the figure. The coefficients of static and kinetic friction between the block and the surface are , and , respectively. Express your answers in parts (b) and (c)...
Hi, please help me check my answers for two physics problems. If
they are wrong, please explain it so I could learn and correct the
mistake. Thank you.
[For the first problem, I got: push= 2598J, normal= 0,
weight= 0, friction= -1920J. I calculated net work to be 678J
]
[For the second problem, I got push=250J, normal and weight= 0,
friction = -200J. I calculated net force to be 50J, which is
positive]
3. A dockworker pushes a 50...
Answer all questions. Please.
5) The earth is a huge magnet... in the northern hemisphere which magnetic pole would be located there? a) Northern magnetic pole b) Southern magnetic pole c) Geographic north d) Geographic south 8) A resistor is put in a circuit to control the amount of charge that flows through it. In the process of controlling the charge, what will happen to the body of the Resistor? a) It will get hot b) It will remain unchanged...
Need Help ASAP! If you could also include an explanation, that
would be amazing! Thanks in advance
A satellite travels around the Earth at constant speed in a uniform circular orbit that passes directly above Norman. At the moment the satellite is directly above Norman. What is the direction of the net force on the satellite ? Tangential to the orbit in the direction of motion. Tangential to the orbit opposite the direction of motion. Radially downward, towards Norman. Radially...
5) Little Bobby is pushing a cart and the cart starts to slow down, which free body diagram below is correct for the cart slowing down as Little Bobby continues to pushes. A) F FN F D) FN F applied F applied applied F applied 6) Bob applies a force with a magnitude of |F = 160 N to a box downward at an angle = 60° relative to the horizontal, the box has a weight of 196 N and...
You want to nail a 1.3 kg board onto the wall of a barn. To position the board before nailing, you push it against the wall with a horizontal force F to keep it from sliding to the ground Figure 6-30 (a) If the coefficient of static friction between the board and the wall is 0.85, what is the least force you can apply and still hold the board in place? N (b) What happens to the force of static...
Hello! Could you please answer all questions? I think the ones I
put in blue are correct but I am not too sure.
QUESTION 7 Suppose people expect inflation to be 3 percent during the next several years. When the real interest rate is 5 percent, the money, or nominal interest rate, will be a. 1 percent. b. 7 percent. c. 4 percent. d. 8 percent. QUESTION 8 The idea that people like to work more for higher wages, but...
Could you please show your work as well? Thank you!
The weight of the block in the drawing is 68.5 N. The coefficient of static friction between the block and the vertical wall is 0.400 Block (a) What minimum force F is required to prevent the block from sliding down the wall? (Hint: The static frictional force exerted on the block is directed upward, parallel to the wall.) (b) What minimum force is required to start the block moving up...
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