Forces

What is a force?

• a push or pull
• speed or acceleration 
• potential or kinetic energy
• balanced or unbalanced force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When objects remain in the same place, it is called...

• gravity
• friction
• balanced force
• unbalanced force

Tags

NGSS.3-PS2-1

What is the force that causes everything to be pulled down to the Earth?

• friction
• gravity
• balanced
• unbalanced

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Force is measured in....

• Galileos 
• Newtons
• Di Vincis
• Einsteins 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

An unbalanced force is when objects move in one direction because the force is greater from that direction.

• true
• false

Tags

NGSS.MS-PS2-2

When an object is getting faster, it is called....

• potential energy
• kinetic energy
• acceleration
• deceleration 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Friction helps objects to move easier.

• true
• false

Tags

NGSS.MS-PS2-2

A boy rides a skate board down a hill. Eventually the skate board stops. Which is most responsible for causing the skateboard to stop?

• gravity acting on the skateboard

• friction acting on the skateboard

• the mass of the skateboard

• the mass of the boy

Tags

NGSS.MS-PS2-2

A book falls off the desk. What moves the book towards the floor?

• mass

• friction

• gravity

• speed

Tags

NGSS.MS-PS2-4

What is an example of an unbalanced force

• a cat sitting on a chair

• an alligator holding a dead chicken in its mouth

• a boy jumping off his bike

• a marble rolling at a constant speed

Tags

NGSS.MS-PS2-2