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WorksheetsCh. 5 WorkVocabulary
Total questions: 29
Worksheet time: 59mins
Name
Class
Date
1.
ratio of the work output to work input of a simple machine
a)
mechanical advantage
b)
efficiency
c)
centripetal force
d)
effort distance
2.
Comparing load/effort is called ?
a)
mechanical efficiency
b)
force
c)
mechanical advantage
d)
friction
3.
lever, inclined plane, pulley
a)
simple machine
b)
complex machine
c)
mechanical advantage
d)
efficiency
4.
Unit of energy
a)
Watt
b)
Horsepower
c)
Joule
d)
Newtons
5.
Work is done on an object when the object moves in the SAME direction in which the force is applied.
a)
True
b)
False
6.
____ is done when a force is applied over a distance.
a)
energy
b)
work
c)
force
7.
What is the amount of work done in one second?
a)
Power
b)
Joule
c)
Work
d)
Energy
8.
a push or a pull
a)
motion
b)
force
c)
energy
d)
physics
9.
Any device that makes Work easier is called a ______________________.
a)
Joule
b)
Prop
c)
Lever
d)
Machine
10.
The SI base unit of the quantity "length" is ________?
a)
centimeter
b)
millimeter
c)
kilometer
d)
meter
11.
A sloping force, like a ramp, that reduces the mount of force required to lift an object.
a)
screw
b)
wheel and axle
c)
inclined plane
12.
What do you call a machine made up of two or more simple machines?
a)
complicated machine
b)
compound or complex machine
c)
comprehensive machine
d)
constructive machine
13.
A _____ is a fixed bar that us free to move around a fixed point known as a fulcrum.
a)
pulley
b)
inclined plane
c)
lever
14.
A ______ is a grooved wheel with a rope running along the groove.
a)
lever
b)
pulley
c)
screw
15.
Consists of two circular objects; a central shaft (axle) and a wheel.
a)
wheel and axle
b)
screw
c)
pulley
16.
A simple machine that can split things apart or hold a door open.
a)
wedge
b)
screw
c)
lever
17.
A simple machine that is made up of an incline plane wrapped around a cylinder. It is often used to hold things together.
a)
lever
b)
screw
c)
wedge
18.
What is the metric unit for Work
a)
Joules
b)
Newtons
c)
Meters
d)
Watts
19.
What is the work applied to the machine?
a)
work force
b)
input work
c)
resistance work
d)
distance force
20.
What is the measure of how much input work is changed into output work?
a)
resistance force
b)
efficiency
c)
mechanical advantage
d)
effort force
21.
What is the unit for mass?
a)
Kilogram (kg)
b)
Newton (N)
c)
Joule (J)
d)
Watt (W)
22.
What is energy?
a)
It is measured in watts
b)
It is power
c)
It is the ability to do work
d)
It is fluid motion
23.
What is the metric unit for Distance?
a)
Newtons
b)
Joules
c)
Watts
d)
Meters
24.
What is the Force equation?
a)
m/a
b)
F*d
c)
m*a
d)
W/t
25.
What is the metric unit of Power?
a)
Newtons
b)
Watts
c)
Meters
d)
Joules
26.
The equation used to find power is ________________?
a)
force*distance
b)
work/time
c)
mass*velocity
d)
work*time
27.
The equation used to find work is_________________?
a)
Force/Distance
b)
Work/Time
c)
Force*Distance
d)
Time*Distance
28.
Force can be found by __________________?
a)
Distance/Work
b)
Work*Distance
c)
Work*Time
d)
Work/Distance
29.
What is the work produced by the machine?
a)
input work
b)
output work
c)
product
d)
output energy
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