Work

_____ is said to be done when force moves an object.

• work

• energy

• motion

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

In which scenario is work = 0 J ?

• Pushing a stationary wall

• Pulling a trolley car

• Pushing a book across the table

• Dropping a set of keys from a height, h.

What is needed to calculate work?

• force

• distance

• time

• mass

Work is a cause and effect relationship between an object and a force.

• True

• False

Tags

NGSS.MS-PS3-5

Calculate the work done when a force of 10 N is applied to move an object 5 meters in the direction of the force.

• 15 J

• 50 J

• 5 J

• 100 J

Tags

DOK Level 2: Skill/Concept

If a force of 15 N is applied to move an object 3 meters, how much work is done?

• 45 J

• 5 J

• 30 J

• 50 J

Tags

DOK Level 2: Skill/Concept

____ is being done when a force is exerted on a wagon while it is being pulled up a hill.

• Power

• Force

• Work

Tags

NGSS.MS-PS3-5

If you try to move an object but you are not able to move it, work does not take place because you did not cause ____.​ (a)  

• change

• motion

• energy

A cyclist exerts a force of 100 N to move a bicycle 20 meters. Calculate the work done by the cyclist.

• 2000 J

• 1000 J

• 500 J

• 1500 J

Tags

DOK Level 2: Skill/Concept

The ability or capacity to do work is called _____.

• energy

• force

• work