An example of this force can be observed during a kickball game when the ball is pitched, but the force between the ball and the ground makes the ball stop before reaching the kicker.
What is friction?
100
A simple machine that is usually used to hold things together.
What is a screw?
100
A knife is an example of this kind of simple machine.
What is a wedge
200
The Earth has this type.
What is constant?
200
The force that works against movement.
What is friction?
200
This state describes when all the forces acting on it balance each other.
What is equilibrium?
200
The simple machine is most often used by a person in a wheel chair when entering a building that is not level with the ground.
What is an inclined plane?
200
A seesaw, a hammer, a crowbar, a light switch.
What is a lever?
300
Cars, trucks, and buses have this type.
What is variable?
300
This is down when a force moves an object.
What is work?
300
An example of this law is the downward force of a rocket's boosters blasting the rocket up off the launch pad.
What is Newton's Third Law?
300
A doorknob is an example of this type of simple machine.
What is a wheel and axle
300
A wagon is this type of simple machine.
What is a wheel and axle?
400
Clock "hands" have this type.
What is circular?
400
This is the rate at which work is done.
What is power?
400
An example of this Newton's law can be observed when one race car accelerates off the starting line faster than another race car.
What is Newton's Second Law?
400
Which two types of simple machines are actually types of inclined planes?
What is a wedge and a screw?
400
When raising a flag on a flagpole, you are using this type of simple machine?
What is a pulley?
500
A rubber band has this type.
What is vibrational?
500
An object's ______________ is the amount of gravitational force between it and Earth.
What is weight?
500
Newton's Second Law states that an object's acceleration depends on which two factors?
What is mass and force applied?
500
An axe or sledgehammer relies on which force to help it do its work?
What is gravity?
500
The six kinds of simple machines.
What is wedge, screw, wheel and axle, lever, pulley, and inclined plane