Energy Conversion

Which equation is used to calculate the quantity of work done?

• W=Fd

• W=F/d

• W=F+d

• W=F-d

Tags

NGSS.MS-PS3-5

Which unit is used to measure work?

• Joules (J)

• Newton-meters (Nm)

• Watt (W)

• Hertz (Hz)

Tags

NGSS.HS-PS2-4

Identify if the task being done is work or not, while pushing an object.

• Is work.

• Is NOT work.

Identify if the task being done is work or not, while dragging an object.

• Is work.

• Is NOT work.

Identify if the task being done is work or not, while lifting an object.

• Is work.

• Is NOT work.

Tags

NGSS.MS-PS3-5

Identify if the task being done is work or not, while carrying an object.

• Is work.

• Is NOT work.

Identify if the task being done is work or not, while holding an object.

• Is work.

• Is NOT work.

A force of 100 N moves an object 5m, how much work is done?

• 500 J

• 500 W

• 20 J

• 20 W

Tags

NGSS.HS-PS3-2

What does a machine NOT do?

• Changes speed

• Changes force

• Changes direction of force

• Makes work harder

Tags

NGSS.MS-ETS1-1

What kind of machines work with one movement?

• Simple

• Complex

• Industrial

• Smart