Levers
what is an example of a lever
teeter totters
Name an example of a wedge
scissors
What type of lever is a pulley
First class lever
What has a wheel and axle
Door
a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.
Lever
what is an example of a lever
scissors
Name an example of a wedge
knife
A pulley consists of A
rope,chain,cable
What fair ride uses a wheel and axle
Ferris wheel
a wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used (typically in combination) to raise heavy weights.
what is an example of a lever
pliers
name an example of a wedge
a needle
What has a pulley
What type of lever is a wheel and axle
modified lever
a simple lifting machine consisting of a rope which unwinds from a wheel on to a cylindrical drum or shaft joined to the wheel to provide mechanical advantage.
Wheel and axle
what is an example of a lever
broom
Name a example of a wedge
a needle
What does a pulley consist of
A pulley is a simple machine that consists of a rope and grooved wheel.
A rod that is attached to the center of a wheel is called
A axle
a short, slender, sharp-pointed metal pin with a raised helical thread running around it and a slotted head, used to join things together by being rotated so that it pierces wood or other material and is held tightly in place.
Screw
what is an example of a lever
What is the purpose of a wedge
Wedge, in mechanics, device that tapers to a thin edge, usually made of metal or wood, and used for splitting, lifting, or tightening, as to secure a hammer head onto its handle.
How does a pulley work
Pulleys are generally used to lift objects, especially heavy objects.
How does a wheel and axle work
The wheel and axle is a simple machine that reduces the friction involved in moving an object, making the object easier to transport.
a sloping ramp up which heavy loads can be raised by ropes or chains.
Inclined plane