Unbalanced & Balanced Forces
Authored by Jaime Hall
Science
6th - 8th Grade
NGSS covered
Used 78+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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
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
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
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
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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