Newton's First Law and Forces et al.

Without a force to stop or slow a coasting object, the object will coast forever in a ______ line.

• blue

• red

• straight

• vertical

• curved

Newton's 1st Law is also called the Law of ...

• Friction

• Inertia

• Unbalanced forces

• Newtons

An object in motion tends to stay in motion unless an ___ force acts on it.

Why is the net force 0 in the image?

• Because the elephants are the same size
• Because they are both pulling the same amount of force in opposite directions
• Because they are elephants
• Because they are pulling away from each other.

Tags

NGSS.MS-PS2-1

An automobile you are riding in suddenly stops, but you continue to go forward. This is an example of ...

• Newton's

  1st

  Law of Motion

• Newton's

  2nd

  Law of Motion

• Newton's

  3rd

  Law of Motion

Which type of force(s) will always cause a change in an object's motion?

• gravity

• zero net force

• balanced forces

• unbalanced forces

• friction

What is the net force of this object?

• 10 N, no direction

• 10 N left

• 5 N right

• 0 N no direction

• 10 N right

What is the net force?

• 65 N left
• 65 N right
• 35 N left
• 35 N right

Tags

NGSS.MS-PS2-2

What is the net force?

• 4.2 N left
• 4.2 N right
• 2.2 N left
• 2.2 N right

Tags

NGSS.MS-PS2-2

friction is a force that acts 

• in the same direction as the motion
• opposite to the direction of the motion
• opposite to the applied forces
• the same direction as the applied force