Newton's Laws of Motion

Newton's First Law of Motion applies to objects that are ______.

• only moving

• only still

• both still and moving

• neither still nor moving

What is an example of a force that can change an object's motion?

• A) A collision with a tree

• B) Time passing

• C) The object's color

• D) The object's shape

A feather floating to the ground is an example of which forces at work?

• A) Gravity and friction

• B) Gravity and air resistance

• C) Friction and magnetism

• D) Air resistance and electricity

Engineers use Newton's Laws of Motion to help them learn how car collisions affect people. True or False?

• True

• False

What technology do engineers develop using the laws of motion to protect people in cars?

• Seatbelts

• Airbags

• GPS systems

• Sunroofs

Aerospace engineers use the laws of motion when designing what?

• Cars

• Airplanes

• Boats

• Bicycles

Newton's 1st Law of Motion states that an object's motion won't change unless acted upon by a(n) ________.

• Force

• Energy

• Light

• Sound

True or False: Air resistance is a force that can slow down objects moving through the air.

• True

• False

Friction is a force resulting from ______.

• A) objects rubbing against each other

• B) objects falling

• C) objects being pushed

According to Newton's first law of motion, what happens to an object at rest?

• It stays at rest unless acted upon by a force.

• It starts moving on its own.

• It changes direction.