Unit D: Mechanical Systems TEST

This formula calculates the amount of work done by a simple machine

• W=J/d

• W= F/d

• W= J x d

• W= F x d

What is the formula for “Pressure”?

• P=F/A

• P=A/F

• P=F x A

• P=F x Pa

What is the formula for Mechanical Advantage?

• MA=InF/OutF

• MA=Outd/Ind

• MA=OutF/InF

• MA=Ind/Outd

What is the last thing you must write before completing a word problem?

• A question

• A sentence

• A picture

• A page number

How do you calculate speed ratio

• SR=Ind/Outd

• SR=Outd/Ind

• SR=InF/OutF

• SR=OutF/Inf

What is the correct unit for Pressure?

• Speed Ratio (SR)

• Mechanical Advantage (MA)

• Joules (J)

• Pascals (Pa)

What unit is efficiency measured in?

• Pascals (Pa)

• Joules (J)

• Percent (%)

• Newtons (N)

Work is calculated in this.

• Joules (J)

• Pascals (Pa)

• Percent (%)

• Newtons (N)

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Force is measured in…

• Pascals (Pa)

• Newtons (N)

• Speed Ratio (SR)

• Percent (%)

These units are used in Mechanical Advantage

• Meters (m)

• Newtons (N)

• The units cancel out

• Joules (J)