4 Newtons Laws ay 2 - Chapter 4 Dynamics: Newtons Laws of...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Chapter 4 Dynamics: Newton’s Laws of Motion
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 Introduction • What makes an object at rest begin to move? • The connection between force and motion is called dynamics . A force is anything that can cause an object to change its velocity. Force is a vector quantity
Background image of page 2
3 Contact and Field Forces A contact force is any force that arises because one body contacts another body. • Examples: kicking a football, pulling on a block. A field force is applied between two bodies even though they may never actually touch. • Examples: gravity and magnetism
Background image of page 3

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

View Full DocumentRight Arrow Icon
4 Net Force If several forces act simultaneously on an object, the object accelerates (changes velocity) only if the net force acting on it is not zero. F R = 141 N
Background image of page 4
5
Background image of page 5

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

View Full DocumentRight Arrow Icon
6
Background image of page 6
7
Background image of page 7

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

View Full DocumentRight Arrow Icon
8
Background image of page 8
9
Background image of page 9

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

View Full DocumentRight Arrow Icon
10 Inertial and Noninertial Reference Frames • An inertial reference frame is one that is not accelerating. • A noninertial reference frame is one that is accelerating with respect to an inertial reference frame. Observer on the platform sees the platform at
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 30

4 Newtons Laws ay 2 - Chapter 4 Dynamics: Newtons Laws of...

This preview shows document pages 1 - 11. Sign up to view the full document.

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