Forces Review

Which law of motion states that an object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an unbalanced force?

• Newton's 1st Law of Motion
• Newton's 2nd Law of Motion
• Newton's 3rd Law of Motion

An object's resistance to its change in motion is its

• Friction
• Inertia
• Gravity
• Pressure

Which law of motion is explained by the equation:
Force = Mass x Acceleration

• Newton's 1st Law of Motion
• Newton's 2nd Law of Motion
• Newton's 3rd Law of Motion

As the mass of an object decreases, its acceleration _______

• decreases
• increases
• stays the same
• does not exist

Which law of motion explains how a rocket lifts off the ground?

• Newton's 1st Law of Motion
• Newton's 2nd Law of Motion
• Newton's 3rd Law of Motion

What Newtons law does this picture represent

• Newtons 2nd law 
• Law of gravity 
• Newtons 1st law
• Newtons 5th law

What law of motion does this picture represent?

• Newtons 1st law
• Newtons 4th law 
• Newtons 3rd law 
• Newtons 2nd law

How do you know if this object is balanced?

• It's not balanced; it's Net Force is 14 N

• It is balanced because its Net Force is 0 N.

• It's not balanced; it's Net Force is 10 N left and 4 N up.

• I don't know how to tell.

What is the Net Force on this object?

• 11 N, right

• 8 N, right

• 3 N, left

• 5 N, right

Jacob ran a 5k in 24 minutes.

• Speed
• Velocity
• Acceleration