C. Problem Solving.1. A block of copper with mass 15 kg is sitting on an incline that has an angle of 25° abovehorizontal. What is the normal force on the block of copper?2. A block with a mass of m = 1.5 kg, being pushed across a horizontal glass surface, µx = 0.4.What is the value of the kinetic friction, Fx ?3. A 75 kg block is pulled along the floor with a horizontal force of 100 N at a constant velocity.What is the coefficient of sliding friction between the block and the floor?4. An 81-kg basketball player slides into the second base. The coefficient of kinetic frictionbetween the player and the ground is 0.49. What is the magnitude of the frictional force?

according to vector algebra every vector can be divided into two perpendicular components

Answered: 1. A block of copper with mass 15 kg is…

1. A block of copper with mass 15 kg is sitting on an incline that has an angle of 25° above horizontal. What is the normal force on the block of copper?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter5: Further Applications Of Newton's Laws: Friction, Drag, And Elasticity

Section: Chapter Questions

Problem 2PE: (a) When rebuilding her car's engine, a physics major must exert 300 N of force to insert a dry...

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Question

C. Problem Solving.
1. A block of copper with mass 15 kg is sitting on an incline that has an angle of 25° above
horizontal. What is the normal force on the block of copper?
2. A block with a mass of m = 1.5 kg, being pushed across a horizontal glass surface, µx = 0.4.
What is the value of the kinetic friction, Fx ?
3. A 75 kg block is pulled along the floor with a horizontal force of 100 N at a constant velocity.
What is the coefficient of sliding friction between the block and the floor?
4. An 81-kg basketball player slides into the second base. The coefficient of kinetic friction
between the player and the ground is 0.49. What is the magnitude of the frictional force?

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