Forces Review

______ forces affect the motion of an object by speeding it up, slowing it down, or changing the direction of it.

• Balanced
• Strong
• Unbalanced
• WeaK

Tags

NGSS.MS-PS2-2

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

Tags

NGSS.HS-PS2-1

As the force applied to an object increases, its acceleration______

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

Tags

NGSS.HS-PS2-1

As the mass of an object decreases, its acceleration _______

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

Tags

NGSS.MS-PS2-2

The force that one surface exerts on another surface when two rub against each other is referred to as ________.

• fluid
• friction
• gravity
• momentum

Weight is determined by the pull of gravity against an object.

• True
• False

Tags

NGSS.HS-PS2-4

Which law of motion is explained as: For every action, there is an equal and opposite reaction.

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

What is a force?

• When you try really hard

• When you move

• A push or a pull