Force and work

What force do a potter use to make pot out of clay ?

• Muscular

• Force

• Gravity

• Electrostatic

What is needed for the formation of tides in sea ?

• Gravity

• Magnetic force

• Friction

• Mechanical

Which lever has a fulcrum in the middle , effort in one end and load in another end .

• First class

• Second class

• Third class

• No option

What have magnetic strip to store important information ?

• Compass

• Speakers

• ATM

• ID card

Which simple machine has a inclined plane wrapped around it ?

• Nail

• Pulley

• Screw

• Wedge