Which Equation Will You Need to Use?

How much force would it take to accelerate a 2.3 kg object by 4.5 m/s^2?

• F = ma

• W = Fd

• KE = 0.5 mvv

• W done = change in GPE

Tags

NGSS.HS-PS2-1

What's the mass of an object that can be accelerated at 4.5 m/s^2 by 250 N?

• F = ma

• W = Fd

• KE = 0.5 mvv

• GPE = mgh

Tags

NGSS.HS-PS2-1

How much work does it take to apply 568 N for 15 m?

• F = ma

• W = Fd

• W = change in GPE

• W = change in KE

How much work does it take to put a 23 kg object on a 5 m shelf?

• F = ma

• W = Fd

• W = change in GPE

• W = change in KE

How much force would it take to push an object for 45 m while doing 256 J of work?

• F = ma

• W = Fd

• KE = 0.5 mvv

• W done = change in GPE

How much work can be done in 15 s if you exert 46 W?

• F = ma

• W = Fd

• P = W/t

• W done = change in GPE

How long will it take to do 75 J of work while exerting 16 W of power?

• F = ma

• W = Fd

• P = W/t

• W done = change in GPE

What's the mass of an object that is traveling at 45 m/s when it has 568 J of kinetic energy?

• F = ma

• W = Fd

• KE = 0.5 mvv

• GPE = mgh

How fast will a 3.8 kg object be going when it has 2679 J of kinetic energy?

• F = ma

• W = Fd

• KE = 0.5 mvv

• GPE = mgh

A 36 kg object, which is falling, is moving at 15.9 m/s right before it hits the ground. How high did it fall from?

• W = Fd

• KE = 0.5 mvv

• GPE = mgh

Tags

NGSS.HS-PS3-2