Science

• The SI unit of force is Newton.
• Force that requires action of our body is Muscular force.
• Force that opposes motion is called Frictional force.
• Force generated by machine is called Mechanical force.
• Force of attraction between heavenly objects is called Gravitational force.
• Force executed by a charged body to other charged or uncharged body is known as

  Electrostatic force.
• Liquid pressure is measure using a device called Manometer.
• Liquids exert pressure on a base due to their Weight
• Balloon inflates on blowing due to pressure exerted by Air.
• The atmospheric pressure is Maximum on Earth surface.
• The atmospheric pressure can be measured by Barometer