Ch 05: Friction, Inclines, SystemsWorksheetSee all chapters
All Chapters
Ch 01: Units & Vectors
Ch 02: 1D Motion (Kinematics)
Ch 03: 2D Motion (Projectile Motion)
Ch 04: Intro to Forces (Dynamics)
Ch 05: Friction, Inclines, Systems
Ch 06: Centripetal Forces & Gravitation
Ch 07: Work & Energy
Ch 08: Conservation of Energy
Ch 09: Momentum & Impulse
Ch 10: Rotational Kinematics
Ch 11: Rotational Inertia & Energy
Ch 12: Torque & Rotational Dynamics
Ch 13: Rotational Equilibrium
Ch 14: Angular Momentum
Ch 15: Periodic Motion (NEW)
Ch 15: Periodic Motion (Oscillations)
Ch 16: Waves & Sound
Ch 17: Fluid Mechanics
Ch 18: Heat and Temperature
Ch 19: Kinetic Theory of Ideal Gasses
Ch 20: The First Law of Thermodynamics
Ch 21: The Second Law of Thermodynamics
Ch 22: Electric Force & Field; Gauss' Law
Ch 23: Electric Potential
Ch 24: Capacitors & Dielectrics
Ch 25: Resistors & DC Circuits
Ch 26: Magnetic Fields and Forces
Ch 27: Sources of Magnetic Field
Ch 28: Induction and Inductance
Ch 29: Alternating Current
Ch 30: Electromagnetic Waves
Ch 31: Geometric Optics
Ch 32: Wave Optics
Ch 34: Special Relativity
Ch 35: Particle-Wave Duality
Ch 36: Atomic Structure
Ch 37: Nuclear Physics
Ch 38: Quantum Mechanics

Solution: A block of mass m is on a frictionless plane inclined at θ with the horizontal and is pushed by a horizontal force F at a constant velocity up the plane. The acceleration of gravity is g . What is the magnitude of the normal force N the plane exerts on the block? 1. N = mg cos θ 2. N =F/ sin θ 3. N = F 4. N = mg 5. N = F tan θ 6. N = F sin θ 7. N =mg/ sin θ 8. N = mg tan θ 9. N =F/ cos θ 10. N = mg sin θ

Solution: A block of mass m is on a frictionless plane inclined at θ with the horizontal and is pushed by a horizontal force F at a constant velocity up the plane. The acceleration of gravity is g . What is the

Problem

A block of mass m is on a frictionless plane inclined at θ with the horizontal and is pushed by a horizontal force F at a constant velocity up the plane. The acceleration of gravity is g . What is the magnitude of the normal force N the plane exerts on the block?

1. N = mg cos θ

2. N =F/ sin θ

3. N = F

4. N = mg

5. N = F tan θ

6. N = F sin θ

7. N =mg/ sin θ

8. N = mg tan θ

9. N =F/ cos θ

10. N = mg sin θ