Force & Motion 1

What causes Ball A to fall?

• friction
• magnetism
• gravity
• air resistance

Ball C is rolling across the surface, but it eventually comes to a stop.  What force is most likely responsible for this?

• friction
• magnetism
• gravity
• air resistance

Ball B is moving towards the rectangle.  What feature of the block can explain why this is happening?

• The block is a magnet (and Ball B is made of magnetic material).
• The ball is located on the highest part of the surface.
• The block is blowing air towards Ball B.
• The block is heavier than Ball B.

What will happen if you push the two magnets below towards each other?

• They will attract.
• They will repel.
• Nothing will happen.
• They will spin.

All of the following are examples of gravity EXCEPT

• water in the ocean moving towards the moon as tides.
• the Moon moving around the Earth.
• the Earth moving around the Sun.
• the needle of a compass moving towards North.

A horse can run up to 55 m/hr.  This describes the horse's _____.

• position
• direction
• speed
• acceleration

Ricky, Adam, and Jalin are in a race.  Ricky finishes the race in 3 minutes, Adam finishes in 5 minutes, and Jalin finishes in 4 minutes.  Which runner had the SLOWEST speed?

• Ricky
• Adam
• Jalin
• They all had the same speed.

Ja'Maiyah and Skyla are each pushing on a shopping cart.  If the cart is not moving, what do you know about the forces they are using?

• The forces are balanced.
• They forces are unbalanced.
• Skyla is pushing with more force than Ja'Maiyah.
• Ja'Maiyah is pushing with more force than Skyla.

If Ja'Maiyah pushes the cart with a greater force than Skyla, what will happen to the cart?

• The cart will not move.
• The cart will move towards Ja'Maiyah.
• The cart will move towards Skyla.
• The cart will spin out of control.

What point is at 4S and 2W?

• A
• B
• C
• D