Balanced/Unbalanced Forces

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

• Balanced
• Unbalanced

Tags

NGSS.MS-PS2-2

A car parked in a driveway.

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-4

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

• Balanced forces

• Unbalanced forces

Tags

NGSS.MS-PS2-2

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

• balanced

• unbalanced

Tags

NGSS.MS-PS2-1

What is the net force acting on the ball?

• 45 N

• 1 N

• 23 N

• 0 N

Tags

NGSS.MS-PS2-2

Which direction will the ball move?

• Left

  $\leftarrow$

• Right $\rightarrow$

• Up

• no motion

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When an object does not change its motion:

• Balanced forces

• Unbalanced forces

• Gravity

Tags

NGSS.MS-PS2-2

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-PS2-2

NGSS.MS-PS2-4

What is the net force acting on the object, and which direction will it travel?

• 50 N left

• 50 N right

• 0 N no motion

• 200 N left

Tags

NGSS.MS-PS2-2

A cup falling off a table.

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4