Machines
two or more simple machines working together are a
A. complex machines
B. Pulleys
A. complex machines
_____ are machines that do work using one movement.
A. Simple machines
B. Complex machines
A. Simple machines
Grooved wheel with a rope or cable wrapped around it.
A.Pulley
B. Level
B. Level
Two or more simple machines working together.
A. Complex machines
B. Efficacy
A. Complex machines
Energy must have the ability to cause
A. change
B. motion
A. change
A pulley is a types of
A. Complex machine
B. Simple machine
B. Simple machine
Conversion of energy from one form to another.
A. energy transformation
B. Kinetic energy
A. energy transformation
Pivots around a fixed point
A. Complex machines
B. Levels
B. Levels
Ratio of output working to input work
A. Efficacy
B. Simple machines
A. Efficacy
The energy carried by the elctromagnetic waves that operate radios and microwaves
a. Radiant Energy
B. Mechanical energy
a. Radiant Energy
The rope or cable with a grooved wheel wrapped around it
A. Pulley
B. Complex machine
A. Pulley
Object that has energy because it is in motion
A. Kinetic energy
B. Potential energy
A. Kinetic energy
Bottle opener, scissors, and seesaws
A.LeverB. Pulleys
A.Lever
Flat, sloped surface
A. Wheel and axle
B. Inclined plane
B. inclined plane
A simple machine that combines an inclined plane and cylinder
A. Lever
B. Screw
B. Screw
a _____ is an inclined plane wrapped around a cylinder.
A. Screw
B. pulley
A. Screw
Transfer of energy that occurs when a force makes an object move in the direction of the force while the force acts on the object.
A. Work
B. Potential
A. Work
Expressed as a percentage
A. Efficiency
B. Lever
A. Efficiency
Inclined plane that moves
A. inclined plane
B. wedge
B. wedge
a hammer exerts which type of force in relation to the hand using it?
a. a stronger force
B. opposite force
B. opposite force
An ---------- is a flat, sloped surface.
A. inclined plane
B. Wedge plane
A. inclined plane
Stored energy that depends on the interaction of objects, particles, or atoms
A. Potential Energy
B. Work
A. Potential Energy
a doorknob, a car's steering wheel, and screwdriver is what type of machine.
A. Lever
B. wheel and axle
B. wheel and axle
Shaft attached to a wheel so that both rotate together.
A. Wheel and axle
B. Wedge
A. Wheel and axle
_____ is the transfer of energy that occurs when force makes an object move
A. work
B. energy Transformation
A. work