( PLEASE HELPP )

1. A steak knife is made up of which simple machines?

A.lever and pulley
B.wedge and screw
C.pulley and a screw
D.lever and wedge

2. A pair of scissors is made up of what simple machines?

A.wedge and screw
B.lever and pulley
C.lever and wedge
d. screw and pulley

3.The knee is an example of a simple machine in the human body.

True
False

Question

( PLEASE HELPP )

1. A steak knife is made up of which simple machines? 
  
A.lever and pulley 
   B.wedge and screw 
   C.pulley and a screw 
   D.lever and wedge 
 
2. A pair of scissors is made up of what simple machines? 
  
A.wedge and screw 
   B.lever and pulley 
   C.lever and wedge 
  d. screw and pulley 

3.The knee is an example of a simple machine in the human body. 
  
  True 
  False

anonymous · Answer

1 a is d

anonymous · Answer

2 b is c

anonymous · Answer

3 I think the  knee will be the fulcrum of a lever so yes it is true.

anonymous · Answer

1 is D

I thought there would be a part a and b to it but it is just d :)

1 D