Simple Machines

Scissors is an example of _____________ class lever

• Class 2 lever

• Class 1 lever

• Class 3 lever

The force between two surfaces which are in contact is

• Gravity

• Muscular force

• Friction

The fixed point where a lever moves

• Fulcrum

• Load

• Effort

Which of the following is an example of second class lever

• 
• 
• 

A grooved wheel around which a rope, chain or a belt is passed which is used to lift heavy loads :

• Pulley

• Wheel and axle

• Wedge

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

An inclined plane wrapped around a cylinder :

• Wedge

• Screw

• Wheel and axle

The simple machine used to cut or split an object apart :

• Wedge

• Pulley

• Lever

A road going up a hill is an example of :

• Inclined plane

• Wedge

• Lever

The force of the earth that pulls everything towards itself is called

• Magnetic force

• Gravitational force

• Mechanical force

Tags

NGSS.MS-PS2-4

The force that is applied on the lever is called

• Effort

• Fulcrum

• Load