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WorksheetsWork Quiz
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
Work is performed when which of the following causes an object to move?
a)
Friction
b)
Force
c)
Pressure
d)
Geotropism
2.
A 50 N box is moved a distance of 12m. How much work was done on the box?
a)
100 J
b)
600 J
c)
1200 J
d)
1800 J
3.
If an object does not move when a force is applied to it then....
a)
There is a net force
b)
The forces are unbalanced
c)
There is too much turgor pressure
d)
No work is done
4.
Regardless of whether you use a ramp or lift from the ground to move a box into a moving van, which of the following will remain the same?
a)
Force
b)
Friction
c)
Work
d)
Distance
5.
The goal of simple machines is to reduce the amount of which of the following?
a)
Force needed to move an object
b)
Friction working against an object
c)
Work exerted on an object
d)
Distance an object travels
6.
A box slides along a smooth surface more easily than a rough surface because there is:
a)
Less friction between the box and the smooth surface
b)
More friction between the box and smooth surface
c)
No friction between the box and rough surface
d)
Less friction between the box and rough surface
7.
It takes 200 N force to move a box 10m. How much work is done on the box?
a)
20 J
b)
200J
c)
2000 J
d)
20000 J
8.
What affect can a simple machine have when used to move an object?
a)
A simple machine reduces the amount of work required to move an object by increasing the force on the object.
b)
A simple machine reduces the amount of energy required to move an object by increasing the work on the object.
c)
A simple machine reduces the amount of force required to move an object by increasing the distance the object moves.
d)
A simple machine reduces the amount of power required to move an object by increasing the distance the object moves
9.
Which of the following correctly ranks the objects from least to most work done on each object?
a)
Y, Z, X
b)
Z, X, Y
c)
X, Y, Z
d)
Y, X, Z
10.
Which of the following correctly describes a comparison of the situations shown?
a)
More work is done in Situation 1 than in situation 3. No work is done in situation 2.
b)
The amount of work done in situations 1 and 3 are the same. No work is done in situation 2.
c)
The work done in Situations 1 and 3 is the same. The most work is done in situation 2.
d)
More work is done in situation 3 than in situation 1. No work is done in situation 2.
11.
All of the following describe situations in which work is done by an organism EXCEPT for which situation?
a)
bird carries a worm to its nest
b)
a squirrel hides nuts in a tree
c)
ants bring crumbs into their home
d)
leaves decompose on the forest floor
12.
No work is said to be done in a situation where a force is applied to an object and...
a)
the object does not move
b)
friction acts on the object
c)
the object changes shape
d)
gravity pulls on the object
13.
One student lifts an object to a certain height using no tools. Another students lifts the same object o the same height using a long ramp. Which of the following will be different for the two students?
a)
Amount of work
b)
Mass of object
c)
Height object is raised
d)
Force used
14.
When an object is moved with an inclined plane rather than lifted directly from the ground, which of the following will be reduced?
a)
Force needed to move the object
b)
Friction working against the object
c)
Work exerted on the object
d)
Distance the object travels
15.
If a force of 10 N is applied to an object with a mass of 1,000 kg for a total time of 10 s and the object does not move at all, the total work done in this situation is...
a)
0 J
b)
10 J
c)
100 J
d)
1000 J
16.
A force of 20 N is applied to an object with a mass of 10 kg for 5 s of time. If the object does not move, the total work done in this situation is...
a)
0 J
b)
50 J
c)
100 J
d)
200 J
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