Balanced Unbalanced Forces

Mr. Devers pushes a box 25 to the right then he pushes the box another 30 to the right, what is the net force?

• 5 N balanced left

• 55 N unbalanced right

• 55 N balanced right

• 5 N unbalanced right

Tags

NGSS.MS-PS2-2

Balanced forces causes

• speed of an object

• change in motion

• no change in motion

• no friction on object

Unbalanced forces

• movement of electrons in motion

• no change in motion

• causes a change in motion

• push or pull on an object

Tags

NGSS.MS-PS2-2

If forces are going in the same direction, you should

• add the forces

• subtract the forces

• multiply the forces

• divide the net force

Tags

NGSS.MS-PS2-2

What is net force?

• push or pull on an object

• the sum of all forces acting on an object

• the ability to do work by applying force

• the mass and height of an object

Tags

NGSS.MS-PS2-2

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.

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

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-PS2-2

NGSS.MS-PS2-1

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.

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