Physical Science Unit 3 Test Review

A ratio that shows how much a machine will multiply and effort force by is _________.

• machine

• mechanical advantage

• work

• power

• fulcrum

A device that makes work easier by changing the size and/or the direction of an applied force is a __________.

• machine

• mechanical advantage

• work

• power

• fulcrum

Tags

NGSS.MS-ETS1-1

The amount of force required to move an object a certain distance is __________.

• machine

• mechanical advantage

• work

• power

• fulcrum

The point in which a lever balance on is the __________.

• machine

• mechanical advantage

• work

• power

• fulcrum

The rate at which work is done is __________.

• machine

• mechanical advantage

• work

• power

• fulcrum

The standard unit for calculating work is the __________.

• Newton

• Watt

• Joule

• Pascal

• none of these

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

If a large force is applied to an object yet there is no movement of the object, the work done is __________.

• zero

• very large

• very small

• none of these

The formula for calculating work done to an object is __________.

• W = F/d

• W = d/F

• W = F x d

• F = W x d

The correct relationship circle for the work formula is:

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

The standard unit for calculating power is the __________.

• Newton

• Watt

• Joule

• Pascal

• none of these