Mountain goats can easily scale slopes angled at 60∘ from horizontal. What is the normal force...
Mountain goats can easily scale slopes angled at 60∘ from horizontal. What is the normal force acting on a mountain goat that weighs 750 N and is standing on such a slope? What is the static friction force acting on a mountain goat that weighs 750 N and is standing on such a slope?
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Mountain goats can easily scale slopes angled at 60∘ from horizontal. What is the normal force...
mountain goats can easily scale slopes angled at 60 degrees from horizontal. what are the normal...
mountain goats can easily scale slopes angled at 60 degrees from horizontal. what are the normal and the static friction on a mountain goat that weighs 900 N and is standing on such a slope.
A force of 60 N is required to start a 10kg box moving across a horizontal...
A force of 60 N is required to start a 10kg box moving across a horizontal floor. (a) What is the coefficient of static friction between the box and the floor? (b) If the 60 N force continues, the box accelerates at 3m/s^2. What is the coefficient of kinetic friction? P.S please write the right equations and answers asap!!
1. A person exerts a horizontal force of 125 N on a crate with a mass...
1. A person exerts a horizontal force of 125 N on a crate with a mass of 30.0 kg. a. If the crate doesn't move, what's the magnitude of the static friction force? b. What is the minimum possible value of the coefficient of static friction between the crate and the floor? 2. A horse is hamessed to a sled having a mass of 236 kg, including supplies. The horse must exert a force exceeding 1.240 N at an angle...
(Newton's laws/gravitation force/normal force/friction force, 4/ea.) A 60-N force pushes two objects next to each other...
(Newton's laws/gravitation force/normal force/friction force, 4/ea.) A 60-N force pushes two objects next to each other with masses m_1 = 8 kg, and m_2 = 4 kg, across a horizontal solid surface. As shown below, the force is directed 30 degree below the horizontal. The coefficient of kinetic friction is 0.15, same for both objects. What is the normal force on m_1? What is the normal force on m_2? What is the acceleration of the masses? What is the force...
Need help with the first and third question. Thanks Question: A block is placed on an...
Need help with the first and third question. Thanks
Question: A block is placed on an inclined plane as shown in Figure 1. The block has a mass m = 1.85 kg. The angle is slowly increased. When 0 = 39.5° the block starts to slide down the inclined plane. When the block has travelled 1.00 m along the slope it has a speed of v = 0.555 m/s. Figure 1: A block of mass m resting on an inclined...
5. A passenger of mass 85 kg is riding in an elevator while The scale only reads the normal force it exerts on the (Note that 1 b 0.453 kg 4.45 N) a) What standing on a platform scale. does the s...
5. A passenger of mass 85 kg is riding in an elevator while The scale only reads the normal force it exerts on the (Note that 1 b 0.453 kg 4.45 N) a) What standing on a platform scale. does the scale read in pounds (lb) when the elevator is not moving? elevator is moving upward with an acceleration of 3.5 m/s?? c) What does the scale read in pounds (b) when the elevator is same acceleration of 3.5 m/s??...
Although friction is a complicated force, many aspects of it can be described with a simple model.
Tactics Box 5.1 Working with Friction ForcesLearning Goal:To practice Tactics Box 5.1 Working with friction forces.Although friction is a complicated force, many aspects of it can be described with a simple model. This Tactics Box presents the conditions under which these models are valid and outlines the essential steps in solving friction problems.TACTICS BOX 5.1 Working with friction forces1. If the object is not moving relative to the surface it's in contact with, the friction force is static friction. Draw...
Question 13 1 pts A horizontal force of 5 N accelerates a 4-kg object from rest...
Question 13 1 pts A horizontal force of 5 N accelerates a 4-kg object from rest at 0.5 m/s2. What friction force acts on the object? +3N -3N O+2N 0-2N Question 14 1 pts An object that is acted upon by a net force of 20 N is moving with an acceleration of 10 m/s2 What is the mass of the object? O2 kg O 20 kg O 0.2 kg 10 kg Question 15 1 pts A person weighing 823...
A person pushes on a 61 kg refrigerator by a horizontal force of 257 N. (Assume...
A person pushes on a 61 kg refrigerator by a horizontal force of 257 N. (Assume the push is in the +x-direction.) (a) If the coefficient of static friction is 0.60, what are the magnitude (in N) and the direction (in degrees counterclockwise from the +x-axis) of the force of the static friction? magnitude:____ N direction:_______° counterclockwise from the +x-axis Does the person move the refrigerator? 1. Yes 2. No (b) What is the magnitude (in N) of the largest...
You desire to use the horizontal force ?⃑ air from a jet of air created by...
You desire to use the horizontal force ?⃑ air from a jet of air created by a fan to hold a 5.0 kg block stationary against a vertical wall by taking advantage of static friction. If the coefficient of static friction between the block and the wall is 0.30, what is the weakest that ?⃑ air can be and still keep the block from falling?
1. A person exerts a horizontal force of 125 N on a crate with a mass of 30.0 kg. a. If the crate doesn't move, what's the magnitude of the static friction force? b. What is the minimum possible value of the coefficient of static friction between the crate and the floor? 2. A horse is hamessed to a sled having a mass of 236 kg, including supplies. The horse must exert a force exceeding 1.240 N at an angle...
(Newton's laws/gravitation force/normal force/friction force, 4/ea.) A 60-N force pushes two objects next to each other with masses m_1 = 8 kg, and m_2 = 4 kg, across a horizontal solid surface. As shown below, the force is directed 30 degree below the horizontal. The coefficient of kinetic friction is 0.15, same for both objects. What is the normal force on m_1? What is the normal force on m_2? What is the acceleration of the masses? What is the force...
Need help with the first and third question. Thanks
Question: A block is placed on an inclined plane as shown in Figure 1. The block has a mass m = 1.85 kg. The angle is slowly increased. When 0 = 39.5° the block starts to slide down the inclined plane. When the block has travelled 1.00 m along the slope it has a speed of v = 0.555 m/s. Figure 1: A block of mass m resting on an inclined...
5. A passenger of mass 85 kg is riding in an elevator while The scale only reads the normal force it exerts on the (Note that 1 b 0.453 kg 4.45 N) a) What standing on a platform scale. does the scale read in pounds (lb) when the elevator is not moving? elevator is moving upward with an acceleration of 3.5 m/s?? c) What does the scale read in pounds (b) when the elevator is same acceleration of 3.5 m/s??...
Question 13 1 pts A horizontal force of 5 N accelerates a 4-kg object from rest at 0.5 m/s2. What friction force acts on the object? +3N -3N O+2N 0-2N Question 14 1 pts An object that is acted upon by a net force of 20 N is moving with an acceleration of 10 m/s2 What is the mass of the object? O2 kg O 20 kg O 0.2 kg 10 kg Question 15 1 pts A person weighing 823...
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