Force in motion

two factors that affect kinetic energy

• Mass / Speed

• Mass / Distance

• speed / time

• Hight / weight

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What is kinetic energy

• energy of motion

• positional energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

• 20 N

• 10 N

• 40 N

• 70 N

Tags

NGSS.MS-PS2-1

which items has more inertia

• a horse

• a pig

• a dog

• an elephant

Tags

NGSS.MS-PS2-2

When an unbalanced force is acted upon an object

• the object stays where it is

• the object moves

• the object moves to the right

• the object moves backward

Tags

NGSS.MS-PS2-2

What type of fluid friction acts on an object moving through the air?

• Friction

• gravity

• air resistance

How would the absence of friction affect a marble traveling on a long, straight path?

• The marble’s speed would decrease.

• The marble’s speed would increase.

• The marble would stop immediately. 

• The marble would remain at a constant speed.

Tags

NGSS.MS-PS2-2

The main reason a baseball comes down when a boy tosses it up into the air is —

• Magnetism is pulling the ball down

• gravity is pulling down on the ball

• the boy cannot see to catch it

• gravity pushes the ball in the air

Tags

NGSS.5-PS2-1

A change in an objects position over time.

• speed

• acceleration

• velocity

• force

Speed with direction

• velocity

• force

• speed

• The distance traveled and the time it takes.