forces

This tractor has an electromagnet being used to lift heavy scrap metal. Why would the scrap metal fall?

• The magnet was turned off.

• The magnet was turned on.

• The metal was too heavy.

• The magnet is turned backwards.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Select ALL rules of magnetic attraction

• opposite poles attract

• like poles repel

• opposite poles repel

• like poles attract

At A the speed of the ball increases. At B, speed decreases. At C, speed is constant. Which points does the ball experience unbalanced forces?

• A and B
• B and C
• A and C
• A, B and C

Tags

NGSS.MS-PS2-2

The boat moves to the left at a speed of 4 m/s. The current moves to the right at 2 m/s. What will happen if the current increases to 3 m/s?

• The boat will speed up.
• The boat will slow down. 
• The boat will move backwards.
• The boat will continue sailing to the left at a constant speed of 4 m/s.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What will happen to the girl in the pink shirt if the boy in the green shirt pulls harder than her?

• The boy will fall because he pulls too hard.

• The girl will go backwards because of his push.

• The girl will go forward because his force is stronger than hers.

• The girl will fall because she doesn't know how to skate.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If a car is traveling at 25 mph it is an example of _________.

• acceleration

• speed

• density

• mass

Tags

NGSS.MS-PS3-1

Which of Newton's laws is represented by this image?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Tags

NGSS.HS-PS2-1

Given the definition, select the correct vocabulary word: an invisible area of gravitational influence around a mass

• net force

• magnetism

• gravitational field

• magnetic field

Tags

NGSS.MS-PS2-5

What do we called it when soemthing is pushed or pulled?

• a Force

• movement

• density

• Speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What object is holding the boy in the car?

• the seatbelt

• the airbag

• the crumple zone

• the boy's inertia