Work or No work

Pushing a box across the room

• Work

• No Work

Carrying a baby

• Work

• No Work

Holding a backpack

• Work

• No Work

Lifting weights

• Work

• No Work

Tags

NGSS.MS-PS3-5

NGSS.MS-PS2-4

Lifting a laundry basket

• Work

• No Work

Tags

NGSS.MS-PS3-5

NGSS.MS-PS2-4

Holding a cell phone

• Work

• No Work

Is this an example of work?

• Yes

• No

Tags

NGSS.MS-PS3-5

Is this an example of work?

• Yes

• No!

An example of work is holding a heavy bag.

• True
• false

Which situation is work not done?

• lifting a 20 pound box off the floor
• holding a 20 pound box above the floor
• sliding a 20 pound box across the floor
• sliding a 20 pound box up an inclined plane