Balanced/Unbalanced Forces

Which of the following is an example of a balanced force?

• An airplane taking off.

• Kicking a football.

• A car slowing down.

• A car waiting at a red light.

A car accelerating around a mountain curve.

• Balanced Force

• Unbalanced Force

Tags

NGSS.MS-PS2-2

Balanced forces can cause

• an object to speed up or slow down
• an object to stay still or move at a constant speed and direction

Tags

NGSS.MS-PS2-2

Two boys are playing tug-of-war. They both pull on the rope and the rope moves to the left.

• The forces are balanced.

• The forces are unbalanced.

Tags

NGSS.3-PS2-1

The dog is pulling on the leash. The boy is also pulling on the leash. They both move to the right. Why?

• Because the forces are balanced.

• Because the forces are unbalanced.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A soccer ball is on the ground. It is not moving. Are the forces acting on the ball balanced or unbalanced?

• The forces acting on the ball are balanced.

• The forces acting on the ball are unbalanced.

When an object continues to move in the same direction at the same speed, we consider to the object to be:

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-2

When an object changes it motion and starts to accelerate, we consider to the object to be:

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-2

For an object to change it's speed or direction, the forces must be:

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-2

A ball rolling down a hill and stopping at the bottom is an example of:

• Balanced forces

• Unbalanced forces

Tags

NGSS.MS-PS2-2