Work And Machines Question Preview (ID: 194)


Integrated Science. TEACHERS: click here for quick copy question ID numbers.

A slanted surface used to raise an object is a(n) ____.
a) efficiency board
b) effort ramp
c) inclined plane
d) screw

A device that does work with only one movement and changes the size or direction of a force is a(n)В ____.
a) compound machine
b) effort machine
c) screw
d) simple machine

A bar that is free to pivot about a fixed point is a ____.
a) fulcrum
b) lever
c) ramp
d) wedge

The rate at which work is done is called ____.
a) efficiency
b) effort time
c) force
d) power

The amount by which a machine multiplies an effort force is called the ____.
a) efficiency factor
b) fulcrum
c) mechanical advantage
d) resistance force

An inclined plane with one or two sloping sides forms a machine called a ____.
a) pulley
b) lever
c) ramp
d) wedge

A machine that changes only the direction of a force has a mechanical advantage ofВ ____.
a) 100
b) 10
c) 5
d) 1

Two simple machines that are part of a bicycle are a(n)____.
a) gear and a wheel and axle
b) inclined plane and lever
c) inclined plane and wedge
d) screw and inclined plane

An arrangement of pulleys designed to reduce the effort force is called a ____.
a) block and tackle
b) fixed pulley
c) movable pulley
d) simple pulley

When two or more simple machines work together, they are called a(n)____.
a) screw
b) effort machine
c) compound machine
d) simple machine

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 194 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In
| Sign Up / Register