WorksheetsAdvanced Unit 4 Force and Motion
Total questions: 26
Worksheet time: 25mins
Name
Class
Date
1.
On a distance vs. time graph, the steeper the slope _____
a)
the slower the speed
b)
the faster the speed
c)
less acceleration
d)
greater acceleration
2.
Describe the motion of the object in the graph
a)
constant velocity
b)
speeding up
c)
slowing down
d)
at rest
3.
What is happening at the intersection of lines A and B?
a)
The cyclists stop
b)
The cyclists speeds are equal
c)
The cyclists are at the same position at the same time.
4.
The bottom picture is an example of
a)
balanced forces
b)
unbalanced forces
5.
What is the net force of the bottom picture?
a)
100 W
b)
700 W
c)
100 N
d)
700 N
6.
The sum of all of the forces acting on an object is known as the what?
a)
net force
b)
vectors
c)
resultant velocity
d)
gravity
7.
Balanced forces always have a net force of
a)
10 N
b)
0 W
c)
10 W
d)
0 N
8.
_____________ causes changes in the speed and/or direction of motion.
a)
Speed
b)
Force
c)
Velocity
9.
The SI unit for force is
a)
Watt (W)
b)
Power (P)
c)
Newton (N)
d)
Force (F)
10.
What is the net force of the object?
a)
10 N
b)
25 N
c)
5 N
d)
0 N
11.
If two forces act in opposite directions on an object then the forces are
a)
added
b)
subtracted
c)
multiplied
d)
divided
12.
Acceleration is
a)
a change in direction
b)
a change in speed
c)
a change in direction and speed
d)
All of the above
13.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
d)
accelerate.
14.
Which law explains when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Law 1
b)
Law 3
15.
What is the definition of "weight"?
a)
the force in which gravity pulls on an object
b)
the time it takes to get on a ride
c)
the amount of matter in an object
d)
the size of an object
16.
If you are on a merry go round, your velocity is not constant. Why?
a)
The speed of the MGR stayed the same
b)
The direction of the MGR changes
c)
The MGR encounters air resitance
d)
The MGR gives off heat
17.
If you increase the mass on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
18.
How much force is needed to accelerate a 3kg skateboard at 5m/s2.
a)
8N
b)
1.6N
c)
0.6N
d)
15N
19.
How far will a person go if they jog for 2 hours at a speed of 12 km/hr?
a)
6 km
b)
0.5 km
c)
10 km
d)
24 km
20.
Which of the following is a unit of time?
a)
sec
b)
mi
c)
m/s
d)
km
21.
Which of the following is a unit of speed ?
a)
sec
b)
mi
c)
m/s
d)
min
22.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking
b)
Running
c)
Standing Still
d)
Walking Fast
23.
Match the description to the graph:
"The car is stopped."
a)
b)
c)
d)
24.
How much work is being done with 200 N of force over 426 meters?
a)
85,200 J
b)
45,620 J
c)
90,480 J
d)
62,329 J
25.
The amount of work done in a certain amount of time is known as
a)
work
b)
effort force
c)
resistance force
d)
power
26.
If you increase your work and decrease your time, you will have
a)
more power
b)
less power
c)
same amount of power
d)
power rating can not be determined
100 %
