Forces and Momentum

Forces can be added together only if they are

• acting on the same object.
• balanced forces.
• unaffected by gravity.
• substantial. 

In physical science, a push or pull is called a(n)

• motion.
• acceleration.
• force.
• inerta. 

If there are two forces going in the same direction how would you find the net force?

• Subtract
• Add
• Neither
• Multiply

Tags

NGSS.MS-PS2-2

8 N to the left , and 4 N to the right. Find the net force. Is this balanced 

• 12 N Right  No
• 4 N Left  No
• 12 N Right  Yes
• 4 N Left  Yes

Tags

NGSS.MS-PS2-2

What is force?

• A push exerted on an object
• A push or pull exerted on an object
• A pull exerted on an object
• Nothing

With unbalanced forces, the object will move in the direction of the _______ force.

• larger 
• smaller 
• equal 

Tags

NGSS.MS-PS2-2

Forces that have a net force of zero ( the object is still).

• Balanced force
• Unbalanced force

The force that pulls things toward earth.

• Speed
• Gravity

Tags

NGSS.5-PS2-1

If the net force is 0 the object is... 

• in motion.
• in the same place.

What famous scientist was the SI units of Force named after?

• Isaac Newton
• Galileo Galilei
• Albert Einstein
• Charles Darwin