physical science

Front

What is friction?

Back

Friction is the force that slows and stops motion between touching objects.

Front

What is net force?

Back

Net force is the overall force acting on an object when all the individual forces are combined.

Tags

NGSS.MS-PS2-2

Front

What happens to forces when a marble rolls down a ramp?

Back

The forces are unbalanced when a marble rolls down a ramp.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Front

What is motion?

Back

Motion is the change of position of an object over time.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

How do you calculate net force when two forces are acting in the same direction?

Back

Add the magnitudes of the forces together.

Tags

NGSS.MS-PS2-2

Front

What is the unit of force?

Back

The unit of force is the Newton (N).

Front

What is gravity?

Back

Gravity is the force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Front

What is balanced force?

Back

Balanced forces are equal in size and opposite in direction, resulting in no change in motion.

Front

What is unbalanced force?

Back

Unbalanced forces are not equal and can cause an object to start moving, stop moving, or change direction.

Tags

NGSS.MS-PS2-2

Front

What is speed?

Back

Speed is the distance traveled per unit of time.

Tags

NGSS.MS-PS3-1