Motion & Speed
This is a change in an object's position
What is motion
This is a push or a pull
What is a force
This is the result of a force applied to an object that causes the object to move
What is work
This is the tool that is a rigid bar that rotates around a fixed point
What is a lever
This is an example of a lever
What is a hammer, broom, shovel, or fishing pole
What is moving along a line or path
This is the force that resists the motion of one object against another
What is friction
This is the amount of work done over a certain span of time
What is power
This is the tool that is a wheel with a rope that passes over the wheel to pull objects
What is a pulley
This is an example of a wheel-and-axle
What is a doorknob, bicycle wheel, rolling pin, or pencil sharpener
A carousel is an example of this type of motion
What is circular around a central point
This is the force pulling together all objects in the universe
What is gravity
Which of these two objects has more power and why- a sewing machine or a needle and thread
This tool is a slanted surface
What is an inclined plane
This is an example of an inclined plane
What is a ramp, ladder,roller coaster, or slide
A violin string moving quickly is an example of this type of motion
What is back-and-forth
This is the person who studies motion
What is a physicist
This is a tool that requires only one force to be used
What is a simple machine
This tool is an inclined planed wrapped around a wheel-and-axle machine
What is a screw
This is an example of a screw
What is a jar lid, lightbulb base, swivel stool, or screw
This is the distance an object travels over a certain amount of time
What is speed
This is the law which states objects at rest stay at rest and objects in motion stay in motion until they are acted upon by an outside force
What is Newton's First Law of Motion
True or False: a car has more power than a bicycle does because it can accomplish the same amount of work in less time
What is TRUE
This tool is made from back-to-back inclined planes
What is a wedge
This is an example of a wedge
What is a knife, ax, tooth, or doorstop