Newton's 1st Law

The law of inertia (Newton's first law) applies _____.

• to moving objects only

• only to objects that are not moving

• to both moving and nonmoving objects

Inertia refers to _____

• the tendency of moving objects to remain in motion

• the force which keeps moving objects in motion with a constant velocity

• the force that keeps stationary objects at rest

• the tendency of stationary objects to remain at rest

• This is an Unbalanced Force

• This is a Balanced Force

Tags

NGSS.MS-PS2-2

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

Tags

NGSS.HS-PS2-1

What will causes an object to move?

• unbalanced forces

• balanced forces

• net force

• potential energy

Tags

NGSS.MS-PS2-2

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Balanced forces causes

• speed of an object

• change in motion

• no change in motion

• no friction on object

Objects with greater _________ also have greater inertia.

• speed
• mass
• temperature
• friction

Tags

NGSS.MS-PS2-2

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

____ is the rubbing force that acts against motion between two touching surfaces.

• Acceleration
• Normal force
• Momentum
• Friction

Tags

NGSS.MS-PS2-2

Which of the following is an example of an unbalanced force?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1