Second Law Of Motion
Chapter Name : Force And Laws Of Motion |
Sub Topic Code : 101_09_09_04_01 |
Topic Name : Second Law Of Motion |
|
Sub Topic Name : Second Law Of Motion |
|
Introduction
The magnitude of the force applied depends on acceleration of the body as well as its mass. This description of magnitude and direction is given by the Newton's second law of motion.
Pre-Requisites:
Forces, equations of motion, Newton's First Law of motion
Activity:
Lift different objects of different mass to a height of 1 feet from the ground using a spring balance. Mark the readings. What is the trend in the reading?
Real Life Question:
On applying a force to a small ball, its velocity changes from zero to 10 meters per second. On applying a force to a table, its velocity changes from zero to 1 meter per second. In which case was the force applied greater.
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Force | Rate of change of linear Momentum |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|
Real life uses :
The force acting and the acceleration of any mechanical bodies can be obtained by using this concept.
Places to visit :
Children's Science Museum
Practical examples around us
| Examples | Explainations |
|---|---|
| Newton's Spring Balance | Used to measure force/weight |
What you learn in Theory:
Newton's second law of motion.
What you learn in Practice:
Apply the 2nd law in calculating force in various applications and situations encountered in everyday life