Unit 3-A Test Review - Speed, Graphing, Forces

What is the net force on the box shown below?          

• a.  10 N to the left 
• b.10 N to the right
• c.  60 N to the left
• d.  50 N to the right

This test paper is sitting at rest on your desk. Which of the following statements best describes this situation?

• a.  There are no forces acting on your paper.
•  b.  Your paper pushes on the desk only.
•  c.  The desk pushes on your paper only
• d.  The forces acting on the paper are balanced.

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

Tags

NGSS.MS-PS2-2

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.

What is the net force on the block? (click on the words to view the picture)

• 5 Newtons up
• 5 Newtons down
• 15 Newtons up
• 15 Newtons down

Tags

NGSS.MS-PS2-2

Examine the distance vs. time graph below and determine which of the following statements best describes the motion displayed on the graph.

• The object is moving away from the starting point at a constant speed.

• The object is increasing in speed.

• The object is not moving.

• The object is decreasing in speed.

Tags

CCSS.8.EE.B.5

The graphs show the distance and time traveled by objects x and y. What statement are correct about the two objects?

• Neither object is traveling at a constant speed and object x is traveling slower than object y.

• Both are traveling at a constant speed but object x is traveling faster than object y.

• Objects x and y are traveling at the same speed.

• Objects x and y are speeding up over time.

Tags

CCSS.8.EE.B.5

What is speed?

• How far you go

• How fast you accelerate

• How much distance is covered over a period of time

• The change in location of an object.

Tags

NGSS.MS-PS3-1

The distance-time graph below represents the motion of a cart initially moving forward along a straight line.

*During which interval is the cart moving forward at constant speed?

• Between points A and B

• Between points B and C

• Between points C and D

• Between points D and E

Tags

NGSS.MS-PS3-1

Anna rides her bike to school every day. Today she rode her bike for 20 minutes, then stopped at the store for 5 minutes for a snack. She continued to ride her bike to school afterwards. Select the graph that accurately shows her movement.

• 
• 
• 

Tags

CCSS.8.EE.B.5