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Semester 1 Final Review

Total questions: 32

Worksheet time: 32mins

Name
Class
Date
1.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
2.
What is the type of circuit that stops working when one bulb goes out?
a)
A broken circuit
b)
Parallel Circuit
c)
Series Circuit
d)
A metal circuit
3.
What kind of circuit is this?
a)
series
b)
parallel
4.
Parallel circuits are
a)
a circuit that has only one path for current to travel
b)
has more than one path for current to travel
c)
a circuit that does not allow electricity to travel through it
d)
magnets that cause electric current
5.

In collisions, which type conserves kinetic energy?

a)

elastic

b)

inelastic

6.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
7.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
8.
2. The diagram to the right represents a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy?
a)
1
b)
2
c)
3
d)
4
9.
Choose the corrrect sentence.
a)
This circuit will work because it is an open circuit
b)
This circuit will work because it is a closed circuit.
c)
This circuit will NOT work because it is an open circuit.
d)
This circuit will NOT work because it is a closed circuit.
10.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
11.
The combination of all forces acting on an object is called __________
a)
Parallelogram Rule
b)
Net Force
c)
Vector Quantity
d)
All the Jedi's using their abilities together
12.
Calculate the net force shown in the  diagram?
a)
6 N
b)
0 N
c)
3 N
d)
9N
13.

3 women push a stalled car. The total of their forces is 3000 N. How much force is each woman applying?

a)

1000 N

b)

1500 N

c)

900 N

d)

425 N

14.

When 2 teams are in a tug of war game, and neither team is winning, what is the net force?

a)

100 N

b)

0 N

c)

50 N

d)

2 N

15.

Newton’s law states that for every action, there is an ________ reaction.

a)

unequal and opposite

b)

equal and similar

c)

stronger and opposite

d)

equal and opposite

16.

How is this an example of Newton's 3rd Law?

a)

Only his head is pushing on the ball

b)

Only the ball is pushing on his head

c)

Both the ball and the head are exerting equal force on each other

17.
What is the net force?
a)
4.2 N left
b)
4.2 N right
c)
2.2 N left
d)
2.2 N right
18.
A 60.0 kg person walks from the ground to the roof of a 74.8 m tall building. How much gravitational potential energy does she have at the top of the building?
a)
43982.4 J
b)
63982.3 J
c)
43962.4 J
d)
83942.4 J
19.
A 50.0 kg wolf is running at 10.0 m/s. What is the wolf's kinetic energy?
a)
1500 J
b)
2.250 J
c)
2500 J
d)
3500 J
20.
A pitcher throws a 0.145 kg baseball at a velocity of 30.0m/s. How much kinetic energy does the ball have?
a)
65.35 J
b)
87.25 J
c)
23.45 J
d)
65.25 J
21.

What is the potential energy of a 2 kg ball that has been hit to a height of 32 m?

a)

627.2 J

b)

400.3 J

c)

0 J

d)

239.5 J

22.

What was the speed of the object from 0-3 seconds?

a)

2 m/s

b)

5 m/s

c)

1 m/s

d)

8 m/s

23.

Equilibrium means _________

a)

being at rest

b)

traveling at light speed

c)

forces balanced and no acceleration or change in speed

d)

pushing or pulling

24.

What force is needed to produce equilibrium? Remember, the 4 kg mass doesn't matter in this problem.

a)

20 N

b)

5 N

c)

.2 N

d)

80 N

25.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
a)
100 m/s2
b)
25,000 m/s2
c)
10 m/s2
d)
25 m/s2
26.

If V = 12 V and R1 = 6 Ω, determine I

a)

2 A

b)

1.3 A

c)

0.9 A

d)

0.8 A

27.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
28.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
29.

At what point is the person's speed decreasing?

a)

A

b)

B

c)

C

d)

D

e)

E

30.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3 
d)
Cart 4
31.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
32.

A 5 kg remote controlled car is traveling at 7 m/s. Calculate the car’s momentum.

a)

0 N x s

b)

35 N x s

c)

5 N x s

d)

3 N x s

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