Exploring Forces

A hammer and a screw are examples of ___________________.

• momentum

• simple machines

• potential energy

• motion

A change in an object’s position when compared to a fixed object is called ______________________.

• momentum

• simple machines

• potential energy

• motion

Tags

NGSS.MS-PS2-2

Using wheels and rollers reduces ____________________.

• acceleration

• force

• friction

• kinetic energy

If a car travels 120 kilometers in 2 hours, its ___________________ is 60 km per hour.

• speed

• kinetic energy

• force

• friction

A ball rolling down a hill displays mostly _________________.

• potential energy

• force

• friction

• kinetic energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

A _________________ is required to set an object in motion or to stop a moving object.

• kinetic energy

• acceleration

• force

• friction

Tags

NGSS.MS-PS2-2

The _______________ of a moving object depends on its mass and how fast it is moving.

• simple machines

• momentum

• motion

• potential energy

Tags

NGSS.MS-PS3-1

If a moving object changes its direction, then its ___________________ has also changed

• acceleration

• force

• friction

• kinetic energy

An elastic band that is stretched possesses mostly _______________.

• potential energy

• momentum

• motion

• simple machines

Tags

NGSS.MS-PS3-2

Helicopters and ceiling fans use ___________________.

• motion

• momentum

• simple machines

• wheels and axles