MA and Simple Machines

An inclined plane is a simple machine. True or flase

• True

• False

What do we call the weight of the object we tried to lift?

• Effort force

• Resistance forces

• Balanced forces

Tags

NGSS.MS-PS2-4

What do we call the force we use to lift an object?

• Resistance force

• Gravity

• Effort Force

Tags

NGSS.MS-PS2-4

What is the equation for Mechanical Advantage?

• MA = Force X Distance

• MA = Effort Force / Resistance Force

• MA = Reistance Force / Effort Force

Does a machine change the amount of work done?

• Yes, it does.

• No, it does not.

What is the point where the lever arm pivots?

• load

• fulcrum

• mass

• effort

How is a 2-pulley system more beneficial than a 1-pulley system?

• It provides less mechanical advantage

• It provides greater directional advantage

• It provides less directional advantage

• It provides greater mechanical advantage

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-1

What are two types of pulleys?

• wings, fries

• load. weight

• fixed, movable

• effort, force

The greatest amount of force is required to move the metal block up which inclined plane?

• A
• B
• C
• D

Tags

NGSS.MS-PS2-2

A pulley brings a 100 kg piano up into a second story window.  What is the ideal mechanical advantage if the pulley has 5 strands?

• 20
• 500
• 5
• 0.05

Tags

NGSS.MS-PS2-2