NEW
Font size
S
M
L
XL
WorksheetsSimple Machines 2.0
Total questions: 30
Worksheet time: 2hrs 30mins
Name
Class
Date
1.
How does a screw make work easier?
a)
It changes the distance of the input force.
b)
It changes the direction of the input force.
c)
It increases the effect of the input force.
d)
In changes the distance and direction of the force being applied.
2.
How does a pulley make work easier?
a)
It changes the direction of the input force.
b)
It changes the distance over which the input force is applied.
c)
It changes the amount of the input force applied
d)
It changes direction and increases the effect of your input force
3.
How does a wheel axle make work easier?
a)
It increase the distance over which the input force is applied.
b)
It changes the direction of the input force.
c)
It increases the input force.
d)
It increase the input force and change the distance over which it is applied.
4.
How does an inclined plane make work easier?
a)
It changes the direction of the input force.
b)
It changes the distance over which the the input force is applied.
c)
It increase the effect of the input force.
d)
It changes the distance and direction of the input force.
5.
How does a wedge make work easier?
a)
It changes the direction of the input force.
b)
It changes the distance over which the input force is applied.
c)
It increase the effect of the input force.
d)
It changes the direction of the input force and increase its effect.
6.
How does a lever make work easier?
a)
It increases the distance over which the input force is applied.
b)
It increases the direction of the input force.
c)
It increases the effect of the input force.
d)
It changes the direction of the input force and increases the effect of the input force.
7.
What is mechanical advantage?
a)
How many times easier the machine makes work.
b)
How much the machine reduces friction.
c)
How many times the machine makes work harder.
d)
It is a number stating how efficient the machine is.
8.
True or false, ever machine has the same Mechanical Advantage.
a)
False
b)
True
9.
What class lever shown in this picture?
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
10.
What class lever shown in this picture?
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
11.
What class lever shown in this picture?
a)
1st Class
b)
2nd Class
c)
3rd Class
12.
What class lever shown in this picture?
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
13.
What class lever shown in this picture?
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
14.
What reduces the efficacy of a simple machine?
a)
Heat
b)
Friction
c)
Mechanical Advantage
d)
Input Force
15.
True or False, a machine can be 100% efficient.
a)
True
b)
False
16.
Which is not a type of pulley?
a)
Fixed
b)
Moving
c)
Block and Tackle
d)
Adjustable
17.
If I lift a 500N object 2m off the ground, am I doing work?
a)
Yes
b)
No
18.
If I hold a 500N object 2m off the ground, am I doing work?
a)
Yes
b)
No
19.
What two simple machines are found in this device?
a)
Wedge and screw
b)
2nd/3rd class lever (Depending on which way you move it) and screw
c)
2nd class lever and screw
d)
1st class lever and screw
20.
What two simple machines are found in this nail clipper?
a)
Wedge and inclined plane
b)
Wedge and 3rd class lever
c)
Wedge and 2nd class lever
d)
3rd class lever and inclined plane
21.
What two simple machines are in this compound machine?
a)
Screw and 2nd class lever
b)
Screw and Wheel & Axle
c)
Wheel & Axle and 2nd class lever
d)
Wheel & Axle and 1 class lever
22.
What simple machines are in this compound machine?
a)
Wheel Axle and Inclined Plane
b)
Wheel Axle and Wedge
c)
Wheel Axle, Wedge, and 2nd class lever
d)
Wheel Axle, Wedge and 3rd class lever
23.
What are the three types of pulleys?
a)
Fixed, Adjustable, Block and Tackle
b)
Fixed, Moveable, Block and Tackle
c)
Moveable, Block and Tackle, and Mounted
d)
Moveable, Stationary, and Combination
24.
If the mechanical advantage of the simple machine is 3, how many times easier does it make doing work?
a)
1
b)
2
c)
3
d)
4
25.
Work done over a period of time is known as what?
a)
Watts
b)
Newtons
c)
Power
d)
Joules
26.
The force that the machine exerts on an object is known as what?
a)
Input force
b)
Output force
c)
Input work
d)
Output Work
27.
When calculating work, what unit is used to measure it?
a)
Newton (N)
b)
Newton x Meter (NxM)
c)
Joules Per Second (J/ps)
d)
Watts (W)
28.
A machine that is more efficient will not lose work to which of the following?
a)
Friction
b)
Joules
c)
Output Force
d)
All answer are correct
29.
This machine increases the distance of the input force?
a)
Yes
b)
No
30.
Which pulley will change the direction of the input force only?
a)
The one on the left
b)
The one on the right
c)
The one in the middle
Reset
