Newton's Laws of Motion

Which of Newton's Laws of motion best explains why motorists should buckle up?

• 1st law of motion

• 2nd law of motion

• 3rd law of motion

• Uniform circular motion

Forces come in ___________ ___________ force pairs.

• action, reaction

• acting lessons

• action, cut

• chemical reaction

Tags

NGSS.MS-PS2-1

When a hammer exerts a force on the nail, the nail _________________________________________.

• exerts a smaller amount of force back onto the hammer

• exerts a larger amount of force back onto the hammer

• exerts the same amount of force back onto the hammer

• cries and cries and cries

Tags

NGSS.MS-PS2-1

Because of inertia, a resting object ________.

• will remain at rest

• will move at a constant speed

• will eventually move

• is unbalanced

The first law of motion states that objects in motion will:

• stop

• accelerate

• stay in motion

• rest

As more unbalanced force is applied to an object, its acceleration:

• stays the same

• decreases

• increases

Tags

NGSS.MS-PS2-2

Friction and air resistance are forces that:

• can make an object slow down or stop

• pulls an object toward the center of Earth

• changes an object's position

• can't be described

Tags

NGSS.MS-PS2-2

A 20 kg bike accelerates at 10 m/s². What was the force?

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

Tags

NGSS.MS-PS2-2

On which surface will a toy car travel the furthest?

• Carpet
• Polished Wood
• Ice

Tags

NGSS.MS-PS3-1

Rougher surfaces have ...

• greater friction
• less friction
• the same level of friction