Mechanical advantage quiz

What does a machine do?

How much work is produced when 350 N is used to move a car 5 m (W=Fd)?

• 70 J
• 1750 J
• 355 J
• 175 J

What is effort (input) force?

• the force one exerts on a machine

• the force which an effort force must overcome in order to do work on an object via a simple machine.

• the force the machine exerts on a object

• the output work times the input distance

What is the mechanical advantage in the picture?

• 2

• 1

• 0.5

• 3

What is the mechanical advantage in the picture?

• 40

• 10

• 4

• 0.25

What is the input force?

• 50 N
• 4 m
• 12 m
• 150 N

What is the mechanical advantage of this pulley?

• 3

• 4

• 5

• 6

What is the mechanical advantage of this pulley?

• 4

• 5

• 6

• 7

WHAT ARE THE 3 MAIN PARTS OF A LEVER?

• FOOT, EFFORT, REPORT
• FULCRUM, STRUCTURE, EFFORT
• FULCRUM, EFFORT, LOAD

Which class lever is this?

• First

• Second

• Third