People Power Lab Quiz

Which is a way to Increase Work?​ ​ ​

• increase height
• decrease height

• increase velocity

• decrease velocity

Which is a way to Increase Work?​ ​ ​

• increase mass

• decrease mass

• increase time

• decrease time

Tags

NGSS.HS-PS2-1

Which is a way to Increase Power?​ ​ ​

• increase time

• decrease time

• increase velocity

• decrease velocity

Which is a way to Increase Power?​ ​ ​

• increase work

• decrease work

• increase velocity

• decrease velocity

Which is a way to Increase Power?​ ​ ​

• increase mass

• decrease mass

• increase acceleration

• decrease acceleration

Tags

NGSS.HS-PS2-1

Dr. Collins with mass 70 kg climbs the stairs in 3 seconds. What is the height of the stairs?

• 2.26 m

• .99 m

• 1.27 m

• .79 m

Tags

NGSS.HS-PS2-1

Dr. Collins with mass 70 kg climbs the stairs in 3 seconds. What is her work to climb the stairs?

• 157.85 J

• 1546.93 J

• 675.71 J

• 540.57 J

• 871.22 J

Tags

NGSS.HS-PS2-4

Dr. Collins with mass 70 kg climbs the stairs in 3 seconds. What is the Power she used to climb the stairs?

• 52.62 W

• 513.64 W

• 4640.79 W

• 180.19 W

• 225.24 W