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Worksheets

F3 SC C7(ALL)

Total questions: 34

Worksheet time: 44mins

Name
Class
Date
1.

What is the definition of energy?

a)

The ability to perform work, cause motion, or create change

b)

Renewable and non-renewable

c)

The ability to change ONLY

d)

Energy cannot be created or destroyed

2.

Another name for kinetic energy is...

a)

stored energy

b)

motion energy

c)

potential energy

3.

A force is a

a)

push

b)

pull

c)

push or pull

d)

neither

4.

What force pulls everything down?

(a)  

5.

When a force moves an object, what is done?

a)

work

b)

energy

c)

motion

d)

nothing

6.

Force can move an object and also stop a moving object

a)

True

b)

False

c)

Neither

d)

I have no idea

7.

A roller coaster uses

a)

Force

b)

I don't know

c)

Kinetic and Potential Energy

d)

Magic

8.

Gravitational Potential Energy is the sotored energy due to the

a)

Position of the object

b)

Motion of the object

c)

Mass of the object

d)

None of these

9.

When a roller coaster is at its highest point, it has a lot of

a)

Potential Energy

b)

Kinetic Energy

c)

Power

d)

Force

10.

What units are used to measure energy?

a)

Watts (W) and kilowatts (kW)

b)

Grams (g) and kilograms (kg)

c)

Calories (cal) and kilocalories (kcal)

d)

Joules (J) and kilojoules (kJ)

11.

10.The force applied by the Earth on the object called _________ force.

a)

Frictional

b)

muscular

c)

Gravitational

12.
How do you calculate power?
a)
P = W/t
b)
P = E/t
c)
P = w * t
d)
P = bbq/chicken
13.
How do we calculate work?
a)
W = F * d
b)
w = f * D
c)
W = F * D
d)
w = f * d
14.
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
15.
The SI unit of work is?
a)
Joules
b)
Watts
c)
Newtons
d)
meters
16.
The SI unit for power is...?
a)
Watts
b)
Joules
c)
Newtons
d)
Meters
17.
If 150 Joules of work is needed to move a box 10 meters, what force was used? 
a)
1500 N
b)
15 N
c)
1.5 N
d)
150 N
18.
If 68 Joules were necessary to move a 4 Newton crate, how far was the crate moved?
a)
272 m
b)
17 m
c)
4.05 m
d)
272 cm 
19.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
20.
What is the energy of position or shape that depends on weight and height, also called stored energy?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Sound energy
21.

The ability to do work or cause change:

a)

work

b)

energy

c)

momentum

d)

power

22.

A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?

a)

200 J

b)

80 J

c)

5 J

d)

2000 J

23.

A worker climbs a ladder and does 8 J of work on a 2 N object. What is the distance they lift the object?

a)

18 m

b)

4 m

c)

10 m

d)

6 m

24.

Two workers use 100 N of force to move a sofa 2 meters in 2 seconds. How much power is required?

a)

100 watts

b)

400 watts

c)

104 watts

d)

50 watts

25.
Which of these is a measurement of power?
a)
100 joules
b)
100 watts
c)
100 meters per second
d)
100 hertz
26.
Which of the following is true about work?
a)
It measures how quickly an object accelerates
b)
It measures how much effort is applied over a distance.
c)
It measures the change of an object's rate of speed.
d)
It measures how much time it takes to move an object.
27.
A kid throws a ball with a force of 70N over 1.1 meters. How much work did he do?
a)
77 joules
b)
70 joules
c)
7.7 joules
d)
11 joules
28.
How do you know when a force has been applied to an object?
a)
It moves.
b)
It flies.
c)
It accelerates.
d)
It gets bigger.
29.

In which scenario is work = 0 J ?

a)

Pushing a stationary wall

b)

Pulling a trolley car

c)

Pushing a book across the table

d)

Dropping a set of keys from a height, h.

30.

Where does the pendulum have the least amount of potential energy?

a)

A

b)

B

c)

C

d)

D

e)

E

31.

Where does the pendulum have the greatest kinetic energy?

a)

A

b)

B

c)

C

d)

D

e)

E

32.

Where does the pendulum have the greatest kinetic energy?

a)

A

b)

B

c)

C

d)

D

e)

E

33.

Where does the pendulum have the greatest potential energy? (pick 2)

a)

A

b)

B

c)

C

d)

D

e)

E

34.

Where does the pendulum stop moving for just a split second so that it's kinetic energy is zero? (pick 2)

a)

A

b)

B

c)

C

d)

D

e)

E

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