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,but Archimedes used a large one to lift water.
What is a screw
100
A knife is an example of this kind of simple machine.
What is a wedge
200
This opposes an applied force (moves in the opposite direction of a push or pull).
What is friction?
200
the force that works against movement
What is friction?
200
An example of this law can be observed when a tennis ball hits a net and falls to the court.
What is Newton's First Law
200
The simple machine 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
Type of force that causes an object to move
What is an unbalanced force?
300
The type of force which results in movement?
What is an unbalanced force?
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 screwdriver is this type of simple machine.
What is a wheel and axle
400
This force will cause an object to stay still. Give an example
What is balanced force? Pushing an object on both sides with the same force.
400
Mrs. Ross's class and Ms Davis' class are playing tug-of-war. After several minutes, the students notice that the rope has not moved at all. What is one possible cause of this?
What is the two classes have created a balanced force on the rope.
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
An arrow's length represents the amount of force. A box is moving to the left. Describe the arrows on both sides.
What are the arrow moving to the left is long and the arrow moving to the right is short.
500
What two forces are acting together to keep a cup balanced on a table?
What is gravity and the force of the table holding the cup up
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