Balanced and Unbalanced Forces

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

• increased

• unbalanced

• balanced

• decreased

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NGSS.MS-PS2-1

Why did Izzy fall when playing tug of war?

• he tripped

• unbalanced forces

• balanced forces

• he was pushed

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

• forces are balanced

• forces are unbalanced

• there are no forces

• none of these

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NGSS.MS-PS2-1

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What force causes the egg to fall into the cup?

• air pressure

• gravity

• static electricity

• there are no forces acting on it

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Forces that cancel each other are called ​ (a)   forces.

• balanced

• inactive

• neutral

• null

• unbalanced

Answer explanation

Balanced forces cancel each other out, resulting in no net force. This concept is crucial in understanding the equilibrium of objects.

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HS-PS2-2

If an object is not moving, the forces acting upon it are

• unbalanced

• weak

• balanced

• strong

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NGSS.MS-PS2-2

If an object is not moving, the forces acting upon it are

(a)  

• unbalanced

• weak

• balanced

• strong

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NGSS.MS-PS2-2

A ​ (a)   is when the forces acting on an object are not equal.

• unbalanced force

• balanced force

• gravity

• push

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NGSS.MS-PS2-2

A force has both strength and ________.

• power

• direction

• color

• balance

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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

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