Identifying Levers

Why shovel is a first-class lever?

• The fulcrum is located between force and load

• The load is located between force and fulcrum

• The force is located between load and fulcrum

When we use nut cracker the force is applied at ...

• the joint

• the middle

• the handle

Tags

NGSS.MS-PS2-1

Scissor is an example of ...-class levers.

• third

• second

• first

Write down other types of simple machines other than levers!

Why human makes simple machines?

• Because it is simple

• Human are lazy

• Human has the knowledge to make their life easier

Which of these is an example of third-class lever?

• 
• 
• 

Tags

NGSS.MS-PS2-2

Show the fulcrum (a), force (b), and load (c) on the object below!

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Show the fulcrum (a), force (b), and load (c) on the object below!