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Unbalanced & Balanced Forces

Authored by Jaime Hall

Science

6th - 8th Grade

NGSS covered

Used 78+ times

Unbalanced & Balanced Forces
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A runner, jumping over a hurdle.

Balanced Force

Unbalanced Force

Answer explanation

Whenever position, direction, or speed changes - it is considered an unbalanced force.


It is unlikely the runner is running at a constant speed and when they jump into the air they are changing their direction.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A lamp sitting on a table.

Balanced Force

Unbalanced Force

Answer explanation

Media Image

The speed, direction and position don't change - so it is considered balanced!

Tags

NGSS.3-PS2-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A car accelerating around a mountain curve.

Balanced Force

Unbalanced Force

Answer explanation

Not only is it considered unbalanced because the car is turning - but also because the car is speeding up!

Tags

NGSS.MS-PS2-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two ice skaters moving in a straight line at a constant speed.

Balanced Force

Unbalanced Force

Answer explanation

Remember, it's considered a balanced force if they remain in a straight line (direction) and going the same (constant) speed.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A skier skiing through flags in a race down the mountain.

Balanced Force

Unbalanced Force

Answer explanation

The skier is accelerating down the mountain and turning!

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A book sitting on a shelf.

Balanced Force

Unbalanced Force

Answer explanation

Remember there are two forces on an object that is not moving.


Gravitational Forces & Normal Forces!

Tags

NGSS.3-PS2-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A gymnast on a balance beam doing a backflip.

Balanced Force

Unbalanced Force

Answer explanation

Even though she's balancing on a beam, she's an unbalanced force. She is changing her direction and speed!

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

NGSS.MS-PS2-4

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