homework friction NSLM and Gravitation September 9, 2010

homework friction NSLM and Gravitation September 9, 2010 -...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1.   A 15-kg box is sliding up a 40 o  inclined plane with an acceleration of 2 m/s 2 .  The coefficient of kinetic friction  between the box and the plane is 0.6.  In the figure below, what should be the value of the hanging mass m 2 The pulley is frictionless. Solution: FBD 1: FBD 2:   HOMEWORK NO.3 Friction, Newton’s Second Law of Motion, Circular Motion and Gravitation PHY10 First Term 10-11 NAME / SECTION FUJITA, MA. JOSEPHINE MIKA C. / A2 m 2 θ constant acceleration T T
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2.  A 550N physics student stands on a bathroom scale in an elevator.  As the elevator starts moving, the scale reads  450 N.   a) Find the acceleration of the elevator (magnitude and direction).  b) What is the acceleration if the scale reads 670 N?  c) If the scale reads zero, should the student worry?  Explain. Solution:
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/23/2011 for the course PHYS 10 taught by Professor Darp during the Spring '11 term at Mapúa Institute of Technology.

Page1 / 3

homework friction NSLM and Gravitation September 9, 2010 -...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online