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P2 Kinetic, Elastic and Gravitational Energy

Total questions: 38

Worksheet time: 38mins

Name
Class
Date
1.

A hot drink has...

a)

Kinetic Energy

b)

Sound energy

c)

Internal Energy

d)

Nuclear Energy

2.

A cyclist stationary at the top of a hill has...

a)

Kinetic Energy

b)

Chemical Potential Energy

c)

Elastic Potential Energy

d)

Gravitational Potential Energy

3.

Humans get their energy from...

a)

Internal (Chemical) energy

b)

Internal (Thermal )Energy

c)

Kinetic Energy

d)

Nuclear Energy

4.

Energy Stored in an atoms nucleus is..

a)

Atomic Energy

b)

Electrostatic Energy

c)

Nuclear Energy

d)

Elemental Energy

5.

Energy stored in objects being stretched or squashed...

a)

Elastic Potential Energy

b)

Kinetic Energy

c)

Chemical Energy

d)

Thermal Energy

6.
When an object is moved to a higher position, what name is given to the energy it then stores?
a)
Gravitational Potential
b)
Elastic
c)
Height
d)
Kinetic
7.

The energy going into an energy transfer is always equal to the energy coming out. True or False?

a)

True

b)

False

8.

Which form of energy is least important in this tool?

a)

Electrical

b)

Light

c)

Sound

d)

Internal (Thermal)

9.
What form of energy is also described as "energy of motion"?
a)
Potential
b)
Mechanical
c)
Kinetic
d)
Electrical
10.
What is energy transformation?
a)
a change of energy from one form to another
b)
when energy gets more energy added to it
c)
when energy gets destroyed
d)
a change in intensity
11.
Any object that rises and falls experiences a change in:
a)
gravitational potential energy & kinetic energy
b)
release of energy
c)
size
d)
color
12.

Whenever a moving object experiences friction, some of its kinetic energy is turned to...

a)

mechanical energy

b)

potential energy

c)

Internal (thermal )energy

d)

light energy

13.

A material that transfers thermal energy easily.

a)

insulator

b)

heat

c)

conduction

d)

conductor

14.

A ball is projected into the air. Where is potential energy the greatest?

a)
b)
c)
d)
15.
An insulator . . .
a)
Allows a lot of heat to escape
b)
Makes the temperature of an object rise
c)
Moves heat from one place to another
d)
Traps heat inside an object
16.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
17.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill. 
c)
A ball rolling down a hill. 
18.

The SI unit in which kinetic energy is measured is

a)

Newton

b)

Kilogram

c)

Joules

d)

Metres per second

19.
How much kinetic energy does a moving 6 kg object have if it moves with a velocity of 3 m/s?
a)
27 J
b)
18 J
c)
9 J
d)
2 J
20.

What two factors affect an object's kinetic energy?

a)

area and volume

b)

mass and weight

c)

weight and height

d)

mass and speed

21.

Where would this tossed baseball have the least amount of kinetic energy?

a)

point W

b)

point X

c)

point y

d)

point z

22.
A moving 10 kilogram object has 20 Joules of KE. What is its velocity?
a)
2 m/s
b)
4 m/s
c)
200 m/s
d)
10 m/s
23.
What is the mass of a moving object that has 100 Joules of KE and moves at a velocity of 2 m/s?
a)
50 kg
b)
200 kg
c)
25 kg
d)
100 kg
24.
Which has a greater impact on KE?
a)
mass
b)
velocity
25.
What is the velocity of a moving object that travels 12 meters in 3 seconds?
a)
4 m/s
b)
36 m/s
c)
15 m/s
d)
9 m/s
26.
Which of the following is a true statement regarding springs?
a)
The higher the value of the spring constant, the stiffer the spring.  
b)
In Hooke's law, the force exerted by the spring acts in the same direction as displacement.  
c)
Springs are designed to provide unpredictable variations in force.  
d)
The force exerted by a spring has a quadratic relationship with the displacement form equilibrium.  
27.

What equation is used to calculate elastic potential energy?

a)

Ep = m g h

b)

Ep = 1/2 k e2

c)

Ep = F / E d

28.

Which of the following is NOT an energy store?

a)

elastic energy

b)

magnetic energy

c)

nuclear energy

d)

light energy

29.

In physics, what is meant by a 'system'

a)

An object or group of objects

b)

A type of calculus

c)

A way of working out complex equations

d)

The units used in calculations

30.

A ball is thrown up into the air but the amount of kinetic energy at the highest point is less than the energy put into the ball. the reason for this is that ...............

a)

Some of the energy was transferred into internal energy within the air

b)

Some energy was transferred into light

c)

Some energy was transferred into electrical energy

d)

Some energy was transferred into nuclear energy

31.

What is the equation for kinetic energy?

a)

E = 1/2 mv2

b)

E = mv

c)

E= m2v

d)

E = (mv)2

32.

Josh stretches a spring with a spring constant of 200N/m by 0.1m . How much energy was transferred to the spring?

a)

1J

b)

10J

c)

1000J

d)

1000J

33.

Mary stretches a spring by 0.1m . The energy stored in the spring is 2j. What was the value of the spring constant (K) ?


Ep = 1/2 K e2

a)

2

b)

10

c)

40

d)

200

34.

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

a)

Make the object larger

b)

Lower the object towards the ground

c)

Raise the object farther off the ground

d)

Allow the object to roll on the ground

35.

Graviational potentail energy is calculated as


Ep= m g h


Rearrange the equation in terms of m, so m=?

a)

m =Ep / gh

b)

m = Ep g / h

c)

m= Ep g h

d)

m = g h / Ep

36.

The value of the gravitation constant on Earth is 9.8. On Jupiter it is 24.8. the reason for this is that................

a)

Jupiter is a more massive planet than the Earth

b)

Jupiter is further away from the sun than the earth is

c)

Jupiter is made of gas rather than rock

d)

Jupiter has 79 moons, whereas Earth only has one

37.

A 50kg mass is lifted 10m above the ground. Calculate the gravitational potential energy that it has gained .(assume G = 9.8)

a)

4900N

b)

500N

c)

5600N

d)

49N

38.

An object of mass 100Kg is lifted above the ground. The mass gains 29,400J of gravitational potential energy. How far has it been lifted? (assume g =9.8)


use the equation Ep = m g h

a)

30m

b)

9800m

c)

100m

d)

10m

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