work..work..work

Force is a ______ or ______ applied on an object.

• push, pull

• position , location

• motion, rest

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

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

• work

• energy

• motion

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

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

• True

• False

Tags

NGSS.MS-PS3-5

The ability or capacity to do work is called _____.

• energy

• force

• work

Tags

NGSS.MS-PS3-5

Work is done when a force causes an object to ...

• move
• stay still
• slow down

Tags

NGSS.MS-PS2-2

What is the S.I unit of work?

• N.m²

• (Kg.m²) / s²

• J/m

• J

Tags

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.

Work is zero if the force has a component in the direction opposite of motion.

• True

• False

Tags

NGSS.MS-PS2-2

If the force on an object is in the negative direction, the work it does on the object must be

• zero

• positive

• nagative

• The work could be either positive or negative, depending on the direction of the object's motion.

What is needed to calculate work?

• force

• distance

• time

• mass