Work or Not Work

Which of the following IS NOT an example of work being done?

• Pushing a cart in a store

• Shooting a basketball

• A stand off in tug of war

• Running a mile

Tags

NGSS.MS-PS3-5

Which of the following is an example of work being done?

• Teacher sitting in a chair

• Book resting on desk

• Keys hanging from a key chain

• A ball being rolled on the floor

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Identify whether work is done or not in the picture

• Yes

• No

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If the object does not move then what is happening

• nothing

• work

• power

• no work is being done on the object

what is the two things that need to occur for work to have been done?

• force and movement

• movement and direction

• constant force and power

• power and work

What is needed to calculate work?

• force

• distance

• time

• mass

A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?

• 200 J

• 80 J

• 5 J

• 2000 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?

• 15 J

• 45 J

• 0 J

• 5 J

How do we calculate work?

• W = F * d

• w = f * D

• W = F * D

• w = f * d

The SI unit of work is?

• Joules

• Watts

• Newtons

• meters

Tags

NGSS.HS-PS2-1