Simple Machines and WEP

What is the mechanical advantage of this pulley?

• .5

• 1

• 1.5

• 2

Tags

NGSS.MS-ETS1-1

A load of 650 newtons is lifted with this pulley. What is the effort required to do this work?

• 300

• 325

• 600

• 650

What is the mechanical advantage of this pulley system?

• 4

• 6

• 8

• 10

Tags

NGSS.HS-PS2-1

How much effort is required to lift the 300 newton load?

• 50

• 60

• 75

• 90

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the mechanical advantage of this pulley?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ETS1-1

What is the mechanical advantage of this pulley system?

• 4

• 5

• 6

• 7

What is the unit of measurement for work?

• Newtons
• Joules 
• Watts
• Meters

Tags

NGSS.HS-PS3-2

Which of the following is an example of work being done?

• Teacher sitting in a chair
• Book resting on desk
• Keys hanging from a key chain
• A ball being rolled on the floor

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If a student uses 10 Newtons of Force to push a chair 5 meters, how much is work is being done?

• 2 Joules
• .5 Joules
• 50 Joules
• 20 Newtons

If a lion drags his prey 10 meters to his den doing 500 joules of work, how much force did he use?

• 50 Newtons
• 500 Joules
• 50,000 Newtons
• 10 Newtons

Tags

NGSS.MS-PS2-2