Pretest on Motion

a force that opposes the motion of an object in contact with a surface

• motion
• force
• friction

a change in the velocity of an object over time

• acceleration
• speed
• inertia

Tags

NGSS.HS-PS2-1

a physical law stating that an object tends to stay at rest and an object moving in a straight line at a constant speed tends to continue moving that way

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

a physical law stating that an object's acceleration depends on the object's mass and the amount of the net force applied to it

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

Tags

NGSS.MS-PS2-2

a physical law stating that for every action there is an equal and opposite reaction

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

Tags

NGSS.MS-PS2-1

If runners are speeding up and changing direction during a race, they are changing their ___________________________________.

• acceleration
• speed
• velocity

For every action, there is an equal and opposite ________________________________.

• friction
• reaction
• speed

Tags

NGSS.MS-PS2-1

If you know the speed and direction of an object, then you also know the  _______________________________ of the object.

• acceleration
• speed
• velocity

A push or pull on an object is called _______________________________.

• force
• motion
• position

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A change in an objects position is called ____________________________.

• motion
• speed
• friction