Open Sci Ed Forces at a Distance

Does the following diagram show balanced or unbalanced forces? Explain how you know.

• unbalanced, net force does not equal zero, rocket moves up

• balanced, net force does not equal zero, rocket moves up

• unbalanced, net force is not zero, rocket is NOT moving

• balanced, net force equals zero, rocket is NOT moving

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The amount of matter in an object is the object's _____.

• mass

• weight

• inertia

• volume

An influence tending to change motion of an object or produce motion in a stationary object is _____.

• force

• joules

• friction

• inertia

Tags

NGSS.MS-PS2-2

an attractive force between all objects that have mass

• gravity

• velocity

• friction

• motion

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Does the following diagram show an illustration of balanced or unbalanced forces? Explain.

• balanced, net force equals zero, rope is NOT moving

• balanced, net force does not equal zero, rope moves upward

• unbalanced, net force does not equal zero, rope NOT moving

• unbalanced, net force does not equal zero, rope moves upward

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force if 1 person pushes right with 2000 N and 1 person pushes left with 1500 N?

• 500 N to the right

• 3500 N to the right

• 3500 N to the left

• 500 N to the left

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force acting on the box?

• 350 N to the right

• 350 N

• 1250 N to the right

• 650 N

Tags

NGSS.MS-PS2-2

_____ is a vector that represents an object's speed and direction.

• velocity

• collision

• gravity

• friction

Tags

NGSS.MS-PS3-1

the net force acting on an object is NOT zero; results in a change in motion

• unbalanced force

• acceleration

• balanced force

• joules

Tags

NGSS.MS-PS2-2

the net force acting on an object is zero; results in NO change in motion

• balanced force

• acceleration

• unbalanced force

• joules