Balanced Unbalanced Force

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

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.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

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

NGSS.MS-PS2-4

An arm wrestling game, where equal force is applied on both sides.

• balanced

• unbalanced

A boulder sitting at the top of a hill.

• Balanced forces are acting on the boudler

• Unbalanced forces are acting on the boulder

• There are no forces acting on the boulder

Tags

NGSS.MS-PS2-4

A cup falling off a table.

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4