Work Done

what is the unit of work?

• Newton

• Joule

• Watt

• meter

Tags

NGSS.MS-PS3-5

Which of the following is the best example of work being done. 

• doing homework
• lifting a box
• pushing a stationary box
• holding a box

Calculate work: A 100 Newton force is applied to move a 15 kg object a distance of 5 meters?

• 20 Joules
• 75 Joules
• 500 Joules
• 1500 J

The unit used to measure work is the 

• Watt
• Newton
• Joule
• meter

If 40N of force is applied to Rollo Koster's 10 kg cart over a distance of 50 meters, how much work is done?

• 8000J

• 8000N

• 4000J

• 2000J

Tags

NGSS.MS-PS2-2

In which of these cases is work being done? 

• A student sleeps
• A student pushes a locked door that does not move
• a student carries his chair into another room
• A student sits on the carpet

Two people push on a wall with 100 N. The wall doesn’t move. How much work is done?

• 100J

• 100N

• 0J

• 0N

what is the formula needed to solve for work?

• w=f/d

• w= fd

• w=f+d

If 40N of force is applied to Rollo Koster's 10 kg cart over a distance of 50 meters, how much work is done?

• 8000J

• 8000N

• 4000J

• 2000J

Tags

NGSS.MS-PS2-2

Newtons are the correct unit for which of the following?

• Force

• Work

• Power

• Acceleration

Tags

NGSS.MS-PS2-5