WorksheetsWork and Machines - part 2
Total questions: 27
Worksheet time: 27mins
Name
Class
Date
1.
Name the simple machine:
A bar that turns on a point
A bar that turns on a point
a)
Lever
b)
Pulley
c)
Inclined plane
d)
Wheel and Axle
2.
Name the simple machine:
a grooved wheel with a chain or rope wrapped in the grove
a grooved wheel with a chain or rope wrapped in the grove
a)
pulley
b)
screw
c)
wheel and axle
d)
wedge
3.
Name the simple machine:
A wheel with a rod running through the wheel
A wheel with a rod running through the wheel
a)
wheel and axle
b)
lever
c)
screw
d)
wedge
4.
Name the simple machine:
a flat slanted surface that makes it easier to move an object up a distance
a flat slanted surface that makes it easier to move an object up a distance
a)
inclined plane
b)
lever
c)
wedge
d)
screw
5.
Name the simple machine:
two inclined planes placed back to back and used to split or lift objects
two inclined planes placed back to back and used to split or lift objects
a)
inclined plane
b)
lever
c)
wedge
d)
screw
6.
Name the simple machine:
an inclined plane wound around a cylinder or cone
an inclined plane wound around a cylinder or cone
a)
inclined plane
b)
pulley
c)
wedge
d)
screw
7.
Choose the correct term:
any object that makes work easier
any object that makes work easier
a)
machine
b)
effort
c)
block and tackle
d)
resistance
8.
Choose the correct term:
the force applied to a simple machine
the force applied to a simple machine
a)
effort
b)
compound machine
c)
block and tackle
d)
resistance
9.
Choose the correct term:
the force that works against the effort
the force that works against the effort
a)
effort
b)
machine
c)
block and tackle
d)
resistance
10.
Choose the correct term:
combines multiple fixed and movable pulleys
combines multiple fixed and movable pulleys
a)
pulley
b)
simple machine
c)
block and tackle
d)
effort
11.
Choose the correct term:
combines two or more simple machines to make work easier
combines two or more simple machines to make work easier
a)
compound machine
b)
simple machine
c)
block and tackle
d)
effort
12.
_________ is done when a force moves an object over a distance.
a)
Work
b)
Force
c)
Effort
d)
Resistance
13.
Force is measured by _________.
a)
newtons
b)
joules
c)
work
d)
Resistance
14.
Work is measured by _________.
a)
newtons
b)
joules
c)
work
d)
Resistance
15.
What is the formula for work?
a)
force x distance
b)
speed x distance
c)
energy x distance
d)
work x resistance
16.
What is the spot where a lever turns or pivots?
a)
fulcrum
b)
center point
c)
middle
d)
lever
17.
What kind of pulley changes the direction of the force, but does not reduce the amount of force needed to move the object?
a)
fixed pulley
b)
block and tackle
c)
movable pulley
d)
compound pulley
18.
What kind of pulley does not change the direction of the force but decreases the amount of energy needed to move the object?
a)
fixed pulley
b)
block and tackle
c)
movable pulley
d)
compound pulley
19.
How many classes of levers are there?
a)
1
b)
2
c)
3
d)
4
20.
The "class of lever" is based on what?
a)
location of effort and resistance
b)
location of the fulcrum
c)
what is in the middle
d)
amount of effort needed to move the object
21.
First class lever, what is in the middle?
a)
fulcrum
b)
effort
c)
resistance
d)
amount of effort needed to move the object
22.
What is an example of a first class lever?
a)
see saw
b)
wheel barrow
c)
broom
23.
What is an example of a second class lever?
a)
see saw
b)
wheel barrow
c)
broom
24.
What is an example of a third class lever?
a)
see saw
b)
wheel barrow
c)
broom
25.
Second class lever, what is in the middle?
a)
fulcrum
b)
effort
c)
resistance
d)
amount of effort needed to move the object
26.
Second class lever, what is in the middle?
a)
fulcrum
b)
effort
c)
resistance
d)
amount of effort needed to move the object
27.
Third class lever, what is in the middle?
a)
fulcrum
b)
effort
c)
resistance
d)
amount of effort needed to move the object
100 %
