Simple Machines Question Preview (ID: 35288)


Simple Machines. TEACHERS: click here for quick copy question ID numbers.

A machine that combines two or more simple machines.
a) wheel and axle
b) pulley
c) compound
d) crane

An example of a wheel and axle.
a) flag pole
b) screwdriver
c) can opener
d) wheel barrow

Two connected objects that rotate around an axis.
a) gear
b) lever
c) pulley
d) wheel and axle

A simple machine made of a grooved wheel with a rope wrapped around it.
a) lever
b) gear
c) pulley
d) fulcrum

The fixed point that a lever pivots around.
a) fulcrum
b) bar
c) center of gravity
d) force

How many classes of levers are there?
a) 5
b) 3
c) 4
d) 2

A rigid bar that is free to pivot, or rotate.
a) pulley
b) gear
c) lever
d) wedge

The threads of this simple manchine, act like an inclined plane to increase the distance over which input force is exterted.
a) lever
b) pulley
c) gear
d) screw

Flat, sloped surface, allows you to exert input force over a longer distance.
a) inclined plane
b) screw
c) pulley
d) lever

For work to be done ona n object,
a) some force need only be wxerted on the object.
b) simple machinethe object must move some distance as a result of a force.
c) the object must move, whether or not a force is exerted on it.
d)

If you exert a force of 20 N to push a desk 10 m, how much work do you do on the desk?
a) 200 j
b) 200 w
c) 30 j
d) 10 w

How can a hockey stick be considered a machine?
a) It indreases force.
b) It multiplies distance.
c) It changes direction
d)

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: 35288 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In
| Sign Up / Register