Which of the following simple machines is best needed to do this task: opening a lid of a paint *
screw
inclined plane
pulley
lever
Which of the following simple machines is best needed to do this task: wiping a wet floor using a mop *
screw
inclined plane
pulley
lever
Which of the following simple machines is best needed to do this task: striking the rough surface of the wood to make it smooth *
screw
inclined plane
pulley
wedge
Which of the following simple machines is best needed to do this task: loading cows and horses on a truck *
screw
inclined plane
pulley
wedge
Which of the following simple machines is best needed to do this task: sharpening a pencil using a pencil sharpener *
pulley
wheel and axle
inclined plane
screw
Which of the following simple machines is best needed to do this task: scooping an ice cream *
pulley
wheel and axle
inclined plane
lever
screw
inclined plane
pulley
lever
Which of the following simple machines is best needed to do this task: wiping a wet floor using a mop *
screw
inclined plane
pulley
lever
Which of the following simple machines is best needed to do this task: striking the rough surface of the wood to make it smooth *
screw
inclined plane
pulley
wedge
Which of the following simple machines is best needed to do this task: loading cows and horses on a truck *
screw
inclined plane
pulley
wedge
Which of the following simple machines is best needed to do this task: sharpening a pencil using a pencil sharpener *
pulley
wheel and axle
inclined plane
screw
Which of the following simple machines is best needed to do this task: scooping an ice cream *
pulley
wheel and axle
inclined plane
lever
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Answer:
opening a lid of paint*
- lever
mopping*
- lever
striking the rough surface of wood*
- wedge
loading cows or horses on a truck*
- inclined plane
sharpening*
- wheel and axle
scooping*
- lever