4/16 Quiz Force & Friction

When does a car accelerate?

• When it travels at a constant speed.

• When it speeds up, slows down, or turns

• Only when it slows.

• Only when it speeds up.

Tags

NGSS.MS-PS2-2

What happens to an object thrown in the vacuum of space?

• It continues to move in the same direction unless it hits something or is affected by gravity or another force.

• It continues to move in the same direction, but eventually it slows down by itself.

• It continues in the same direction, speeding up all the time.

• It continues to move in a circular path.

A ________________________ is a push or a pull

• force

• friction

• newton

• thermal

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

A force that is not equal and causes a change in motion is called an _______________________________________________

• balanced force

• unbalanced force

• friction

• acceleration

Tags

NGSS.MS-PS2-2

____________________________ is a force that opposes motion.

• thermal

• acceleration

• newton

• friction

Tags

NGSS.MS-PS2-2

The speed and direction of a moving object is called _____________________.

• law of conservation of energy

• friction

• velocity

• acceleration

Friction converts the energy of motion to_________ energy.

• chemical

• solar

• thermal

• electrical

Tags

NGSS.MS-PS3-5

A change in an object’s speed and/or direction can be described as the objects ____________________

• acceleration

• velocity

• friction

• force

Tags

NGSS.MS-PS2-2

A force that is equal and causes no motion is a ___________________________.

• unbalanced force

• acceleration

• balanced force

• velocity

If an object is moving at a constant speed and a greater force pushes it in a different direction, the object will ___________.

• keep moving in the same direction

• slow down

• accelerate in the direction of the greater force

• stop moving

Tags

NGSS.HS-PS2-1