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Save Answer What horizontally-applied force will accelerate a 4-kg crate at 2 m/s^2 across a factory...
A person pushes horizontally with a force of 220 N on a 61 kg crate to move it across a level floor. The coefficient of kinetic friction is 0.23. (a) What is the magnitude of the frictional force? (b) What is the magnitude of the crate's acceleration?
A factory worker moves a 30.0 kg crate a distance of 4.5 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and the floor is 0.25. 1. What magnitude of force must the worker apply? 2. How much work is done on the crate by the worker's push? 3. How much work is done on the crate by friction? 4. How much work is done by normal force?...
A constant force applied to object a causes it to accelerate at 6.0 m/s^2 the same force applied to object b causes it to accelerate at 8.0 m/s^2. if the same force was applied to both masses together what would the resulting acceleration be? ignore friction
A 1.22E+2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 29.1° below the horizontal. The coefficient of kinetic friction is 0.194. What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero?
A 1.10E+2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 25.5° below the horizontal. The coefficient of kinetic friction is 0.210. What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero?
A person pulls on a 8.7 kg crate as it slides across a level floor using a rope attached to the center of the crate. The floor has a non-zero coefficient of kinetic friction. The crate began with a speed of 1.4 m/s and speeded up to 2.4 m/s while being pulled a horizontal distance of 2.0 meters. If the force exerted by the rope is 20 Newtons, and the rope pulls completely horizontally, what is the work in J...
A person pulls on a 9.4 kg crate as it slides across a level floor using a rope attached to the center of the crate. The floor has a non-zero coefficient of kinetic friction. The crate began with a speed of 1.9 m/s and speeded up to 2.8 m/s while being pulled a horizontal distance of 2.0 meters. If the force exerted by the rope is 20 Newtons, and the rope pulls completely horizontally, what is the work in J...
A person pulls on a 7.8 kg crate as it slides across a level floor using a rope attached to the center of the crate. The floor has a non-zero coefficient of kinetic friction. The crate began with a speed of 1.3 m/s and speeded up to 2.5 m/s while being pulled a horizontal distance of 2.0 meters. If the force exerted by the rope is 20 Newtons, and the rope pulls completely horizontally, what is the work in J...
2. A factory worker pushes a 40.0 kg crate a distance of 4.5 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and the floor is 0.25. (a) What magnitude of force must the worker apply? (1 mark) (b) Write the force in part (a) as a row vector (1/2 mark) (c) Write the displacement as a row vector (1/2 mark) product of two row vectors (1 mark)...
Work on a sliding crate. A worker pushes a 47.0 Kg crate across a level horizontal floor by applying a constant force of exactly 150.0 N at an angle of 23.0 degrees below the horizontal. The crate begins at rest and ends 15.0m from where it started traveling at 2.6m/s A. What is the work done by the applied force as the crate moves across the floor? B What is the work done by the friction force as the crate...