Forces & Patterns of Motion

Select all the things that forces can do:

• Speed up a moving object

• Slow down a moving object

• Change the direction of a moving object

• Make an object at rest start moving

Tags

NGSS.MS-PS2-2

Forces are measured in:

• Pounds

• Grams

• Ounces

• Newtons

Describe the motion of the box:

• The box will not move

• The box will accelerate to the right

• The box will accelerate to the left

• It is impossible to predict the motion of the box

Tags

NGSS.MS-PS2-2

Which two statements best describe the forces shown?

• The forces are balanced

• The forces are unbalanced

• The box will move upward

• The box will move downward

Tags

NGSS.MS-PS2-2

Which of the following best shows the pattern of motion of the pendulum?

• Y, Z,Y, X,Y

• X,Y, Z, X,Y

• Y, X,Y, Z, X

A sprinter is running around a track. Which of the following pattern of motion can be used to describe the runner's motion?

• shifting back and forth

• zig zag motion

• moving in cycles

• moving in one direction

Which of the following has a significant effect the number of swings a pendulum will make in a given amount of time?

• The length of the string

• The angle of release

• The mass of the bob

A student measures a pendulum as swinging a total of 13 swings in 20 seconds. Which of the following will DECREASE the number of swing cycles?

• Adding mass to the bob

• Shortening the swing

• Lengthening the string

• Releasing from a greater angle

• Releasing from a lesser angle

Select all of the following that are examples of an object shifting back and forth

• A pendulum

• A pogo stick

• A carousel

• A wrecking ball

• The moon orbiting the Earth

Tags

NGSS.MS-PS2-2

Friction is:

• any push or pull on an object

• a force that opposes the motion of an object

• inertia

• a force that cannot affect the motion of an object

Tags

NGSS.MS-PS2-2