Force, Motion and Speed 2024

Front

What happens when two forces act in opposite directions?

Back

Their magnitudes are subtracted.

Tags

NGSS.MS-PS2-2

Front

What is the effect of an unbalanced force on an object's motion?

Back

It changes the direction.

Tags

NGSS.MS-PS2-2

Front

How can friction be reduced?

Back

All of the above are ways of reducing friction: reduce the force acting between the 2 surfaces, reduce the roughness of the 2 surfaces coming in contact, use wax, grease or oil.

Front

The measure of how fast something moves in a certain distance is called?

Back

Speed.

Front

What is the effect of friction on an object's motion?

Back

It decreases the speed.

Front

What is force?

Back

A push or pull on an object.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

What is motion?

Back

The change in position of an object over time.

Tags

NGSS.MS-PS2-2

Front

What is speed?

Back

The distance traveled per unit of time.

Tags

NGSS.MS-PS3-1

Front

What is acceleration?

Back

The rate of change of velocity of an object.

Tags

NGSS.MS-PS2-2

Front

What is balanced force?

Back

Forces that are equal in size but opposite in direction, resulting in no change in motion.

Tags

NGSS.MS-PS2-1