Unit 1 Review

What law is best described by inertia?

• 1st

• 2nd

• 3rd

Which force is present when an object is on a surface and is responsible for holding that object up on the surface?

• Gravity

• Normal

• Applied

• Friction

A kid rolls a ball on a table with applied force to the right, what forces balances out the applied force? (Hint: What slows it down)

What law of motion does this picture represent?

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

What Newtons law does this picture represent

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

Acceleration of an object happens when things ________

• slow down
• go faster
• change direction (turn)
• All of the above

Objects with greater mass have a greater inertia; objects with less mass have less inertia.

• True

• False

if an object stays still or continues moving at the same speed and in the same direction, it is a _______ force.

• Weak

• Unbalanced

• Strong

• Balanced

If an object is accelerating, then the forces acting on it must be:

• Balanced

• Unbalanced

The net force acting on the object is acting _____.

• to the right

• to the left

• up

• down