Work or No Work

A tow truck hauls a car.

(1) Has work been done?

(a)  

(2) How do you know? (b)  

• Yes.

• No.

• There was no movement

• Force was applied and an object moved

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The family raises a flag in their yard. (1) Has work been done? (2) Why?

• Yes.

• No.

• Force was applied, and an object moved some distance

• There was no movement

Tags

NGSS.3-PS2-1

This kid drags your bookbag around the room. We don't know whose kid it is or how he got in, but man is he determined to take your bookbag...somewhere.

Has work been done? (a)   How do you know? (b)  

• Yes.

• No.

• Force was applied and an object moved

• There was no movement

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

This is how some of y'all look when you hear an airplane go by. Assuming you're sitting by the window:

(1) Has work been done? (a)  

(2) How do you know? (b)  

• Yes.

• Force was applied, and an object moved

• There was no movement

• No.

Tags

NGSS.HS-PS2-1

What is needed to calculate work?

• force

• distance

• time

• mass

A student needs 10 Newtons of force to lift a box to the top of a 2 meter shelf. How much work do they do?

• 12 J

• 8 J

• 20 J

• 5 J

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-PS3-5

A worker climbs a ladder and does 8 J of work on a 2 N object. What is the distance they lift the object?

• 18 m

• 4 m

• 10 m

• 6 m

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