Force, Power, and Work

How much force is needed to hold an apple with a mass of 0.1 kg?

• 0.98 N

• 98 N

• 0.098 N

• 9.8 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Force is measured in which unit?

• Watt

• Kilogram

• Joule

• Newton

Power is measured in which unit?

• Newton

• Joule

• Pound

• Watt

Work is measured in which unit?

• Kilogram

• Joule

• Newton

• Watt

What formula is used to calculate force?

• F=md

• F=ma

• F=mg

• F=mt

Tags

NGSS.HS-PS2-1

What formula is used to calculate work?

• W=F/d

• W=Fd

• W=F + d

• W=F-d

What formula is used to calculate power?

• P=Ft

• P=F/t

• P=Wt

• P=W/t

Work can not be done in the absence of ______________.

• time

• electricity

• motion

• heat

Tags

NGSS.MS-PS3-5

As time increases, power _______________

• is not affected

• remains constant

• increases

• decreases

Tags

NGSS.HS-PS3-1

As time decreases, power __________________

• decreases

• increases

• remains constant

• is not affected