# Experiments on Mechanics

## Measurements

## Newton's Law

- How much is One Newton?
- Apparent Weight
- Action-Reaction forces in Newton's Third Law
- Pull your friend to know Newton's Third Law
- Check Newton's Law for interaction between Ring Magnets
- Newton's Third Law and Rocket
- Dancing Bottle
- The Law of Lever
- Pull the Paper under the Tumbler
- Pulling Newspaper below the Tumbler
- Card-Coin Experiment
- Card-Coin Experiment
- Galileo Book
- A Magical Coin
- Which Thread Breaks First?
- Find Friction Coefficient
- Rolling and Kinetic Frictions

## Circular Motion

## Work and Energy

## Centre of Mass, Linear Momentum and Collision

- Counter-intutive Centre of Mass with Bottles
- Balancing the Scale on Fingers
- Find Centre of Gravity of Irregular Shape
- It is not Easy to do Simple Movements!
- Linear Momentum of the Ball
- Why children fall down often?
- Why Does it Goes Up?
- Conservation of Linear Momentum
- Conservation of the Energy and Momentum
- The pulley does not reduce the effort
- To Find the Coefficient of Restitution
- To study the extension-load characteristics of a bicycle valve tube

## Rotational Mechanics

- To study the theorem of perpendicular axes in Moment of Inertia
- Experiencing Torque
- Paper Helicopter
- Velocities in Rolling Motion
- Win a 100 Rs Note
- Demonstration of Conservation of Angular Momentum
- Gyroscope using Toy Motor
- Gyroscope from Cycle Wheel
- Vector Nature of Angular Momentum
- The Physics of the Beam Balance
- Coupled Pendulum
- Weightlessness with Slinky
- Calibrating a Non-Linear Spring
- To Study Torsional Oscillation of a Rectangular Body
- The Falling Bottle/ Mug
- Which Cylinder is Faster?

## Fluid Mechanics

- Air occupies space
- Archimedes Principle
- To Measure the Force of Buoyancy
- Why Does Water not Fall?
- Pressure in Two Connected Bottles
- The Fun of Three Bottles
- Pressure Switch
- Why water not going to the bottle through a funnel?
- Boyle's Law by Balloon in the Syringe
- Gravity Defying Test Tube
- Drinking water through the Punctured Straw
- Pressure Varies with Column Height
- Why Balloons come Closer?
- Blow Air in a Long Air Bag
- Which Bottle get Emptied First?
- Cartesian Diver
- Push Water in a pair of Connected Syringes
- To Measure the Viscosity of Water
- Make Air Channel in the Water Bottle
- Understanding Bernoulli's Theorem using Tennis Ball
- To understand working of sprayers
- CD Hovercraft

## Some Mechanical Properties of Matter

- Make Your Spring and Find its Spring Constant
- A drop of Water Makes Slides Stick Together
- Zipping Action due to Cohesive Forces
- Cohesive and adhesive forces of water
- To tie and untie water streams
- Thirsty Coin
- Greedy Glass
- Effect of Soap on Surface Tension
- Rise of Paper (Welcome) due to surface tension
- Floating Needle or Razor Blade
- Visualize Force of Surface Tension
- Cotton Fiber as Capillary
- A water bottle with a hole in bottom
- Estimate the Surface Tension of Water and Soap Solution
- Balancing the Nails
- Balancing Spoon and Fork on a Matchstick
- Bottle in Free Fall
- Measured Weight vs Gravitational Force