If two bowling balls have equal masses but one ball is accelerating faster than the other they will still have the same force.

• True

• False

Tags

NGSS.3-PS2-1

Which of the following surfaces has the least amount of friction?

• a gravel driveway

• a dirt road

• an ice covered road

• a road covered in sand

Tags

NGSS.3-PS2-1

Your mom puts a plastic cup, a glass plate and a big pot of spaghetti and meatballs on the table. Which statement describes the gravitational force acting on the objects?

• The plastic cups experiences the least amount of gravitational force

• All the objects experience the exact same amount of gravitational force

• The pot of meatballs and spaghetti experiences the least amount of gravitational force

• The glass plate experiences the greatest amount of gravitational force

Tags

NGSS.3-PS2-1

NGSS.5-PS2-1

An object at rest is said to have a(n)

• balanced force

• unbalanced force

• no force

• net force

Tags

NGSS.3-PS2-1

If 2 football players with different masses run into each other, which of the following explains what would happen? (Select all that apply)

• both players would accelerate at the same rate

• The more massive person would accelerate more

• The would fall in the direction the more massive person was going

• The person with more mass would fall forward while the person with less mass would fall backward

Tags

NGSS.3-PS2-1

NGSS.4-PS3-3

A book is sitting on a shelf. Which of the following are forces that are allowing this to remain at rest? (Select all that apply)

• The force of gravity is pulling the book downward

• The force of the bookshelf (normal force) is pushing up on the book

• The force of gravity is pulling the bookshelf downward

• The force of the floor (normal force) is pushing up on the bookshelf

Tags

NGSS.3-PS2-1

NGSS.5-PS2-1

What is the resulting force and direction of motion?

• 2 N to the left

• 2 N to the right

• 8 N to the left

• 8 N to the right

Tags

NGSS.3-PS2-1

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

What is the Average Speed?

Distance: 10m

Time: 5s

• 2 m/h

• 1/2 m/s

• 50 m/s

• 2 m/s

What 2 things do you need to calculate speed?

• distance and friction
• direction and time
• direction and friction
• distance and time

Tags

NGSS.MS-PS3-1