Force and Motion and Work Flashcards
Anything that causes an object to change velocity is a
force
_____________ is the rate at which an object changes speed.
acceleration
_______ happens when an object changes its position.
motion
A(n) ____________ is a tool that changes the amount of force applied, the direction of that force, or both.
simple machine
The measure of an object’s speed and direction is _____________.
velocity
A(n) _____________ is a unit of force.
newton
_____________ is ratio of distance over time.
speed
___________ is a force that attracts all matter to other matter.
gravity
When two objects run together, there is ____________.
friction
__________ is performed when a force moves an object through a distance.
work
The tendency of an object at rest to remain at rest or an object in motion to remain in motion is called ________.
inertia
Tools that are made of a combination of simple machines are called _______________.
compound machines
Name 6 Simple Machines,
Lever, Wheel and Axle, Pulley, Inclined Plane, Wedge, Screw
True or False - Simple Machines allow you to do work more easily.
True
A simple machine that uses rigid bars that pivot around a point.
Levers
