Balanced and Unbalanced Forces

Why did Izzy fall when playing tug of war?

• unbalanced forces

• balanced forces

• he was pushed

• he tripped

Tags

NGSS.MS-PS2-2

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

• force of air above it

• air pressure

• force of gravity

• trick ping-pong ball

Tags

NGSS.MS-PS2-4

What did Zoe change to steer the hovercraft?

• strength of force

• direction of force

• added brakes

• type of force

Tags

NGSS.MS-PS2-2

The force that pulls objects down towards the center of the Earth.

• Friction

• Gravity

• Air Resistance

• Wind Resistance

Tags

NGSS.MS-PS2-4

Which of these involves balanced and unbalanced forces?

• golf

• hoverboarding

• pool (billiards)

• all of these

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

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

• increased

• balanced

• unbalanced

• decreased

Tags

NGSS.MS-PS2-1

Why did Izzy fall when playing tug of war?

• he tripped

• balanced forces

• unbalanced forces

• he was pushed

Tags

NGSS.MS-PS2-2

To move back to where he started, Dr. Jeff changes which of these?

• amount of force

• direction of the force

• type of force

• skateboard wheels

Why is the egg not moving before Zoe hits the pan?

• forces are balanced

• there are no forces

• forces are unbalanced

• none of these

Tags

NGSS.MS-PS2-2

What did Zoe change to steer her hovercraft?

• type of force

• direction of force

• strength of force

• added brakes

Tags

NGSS.MS-PS2-2