Forces: Balanced and Unbalanced(Open Note)

A force has both strength and _____.

• power

• direction

• color

• balance

When Izzy and Zoe pull on the rope with the same amount of force, the forces are _____.

• increased

• unbalanced

• balanced

• decreased

A ball falling back to the ground is an example of which force?

• magnetism

• gravity

• electricity

• attraction

Why did Izzy fall when playing tug of war?

• he tripped
• unbalanced forces
• balanced forces
• he was pushed

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Why doesn't the ping-pong ball just shoot up to the ceiling?

• air pressure
• force of gravity
• force of air above it
• trick ping-pong ball

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

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You push a box 35 N to the right. Your friend pushes the box 25 N in the same direction. What is the net force?

• 60 N balanced to the right

• 60 N unbalanced to the right

• 10 N balanced to the right

• 10 N unbalanced to the right

Tags

NGSS.MS-PS2-2

If forces are going in the same direction, you should

• add the forces

• subtract the forces

• multiply the forces

• divide the net force

Tags

NGSS.MS-PS2-2

What is net force?

• push or pull on an object

• the sum of all forces acting on an object

• the ability to do work by applying force

• the mass and height of an object

Tags

NGSS.MS-PS2-2

What is the net force of this object?

• 400 F arrow downward

• 400 F arrow upward

• 800 F arrow upward

• 800 F arrow downward

Tags

NGSS.MS-PS2-2

What will causes an object to move?

• unbalanced forces

• balanced forces

• net force

• potential energy

Tags

NGSS.MS-PS2-2