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WorksheetsEnergy Calculations
Total questions: 18
Worksheet time: 11mins
In the following example, will the object G.P.E increase, decrease, or remain constant
(An Apple falls from a tree)
Increase
Decrease
Remain Constant
In the following example, will the object G.P.E increase, decrease, or remain constant
(An Aircraft flies horizontally at a height of 9000m)
Increase
Decrease
Remain constant
In the following example, will the object G.P.E increase, decrease, or remain constant
(A sky-rocket is fired into the sky)
Increase
Decrease
Remain constant
A girl of weight 500 N climbs on top of a 2.0 m high wall. By
how much does her g.p.e. increase
250 J
10000 J
1000 J
0.004 J
A stone of weight 1.0 N falls downwards. Its g.p.e. decreases by
100 J. How far has it fallen?
100 m
1000 m
1 m
How much k.E. is stored by a 1.0 kg ball moving at 1.0 m/s?
0.5 J
1 J
2 J
The pressure due to the liquid on an object immersed in that liquid is 4500 Pa.
The density of the liquid is 900 kg/m³
What is the depth of the object below the surface of the liquid?
0.5 cm
2.0 cm
50 cm
200 cm
An object is 60 cm below the surface of a liquid. The pressure due to the liquid at this depth is 9000 Pa.
What is the Density of the liquid?
15 kg/m³
540 kg/m³
1500 kg/m³
54,000 kg/m³
Which diagram shows an athlete exerting the least pressure on the ground?
A
B
C
D
A
B
C
D
The density of mercury is 13,600 kg/m³
What is the pressure at the bottom of a column of mercury that has a height of 75.0 cm?
1.02×104
1.02×105
1.02×106
1.02×107
An oil tank has a base of area 2.5 m² and is filled with oil to a depth of 1.2m.
The density f the oil is 800 kg/m³.
What is the force exerted on the base of the tank due to the oil?
960 N
2400 N
9600 N
24,000N
A vehicle sinks into soft ground.
The vehicle is changed so that it does not sink as far
Which change is made?
A lower center of mass
A more powerful engine
Wheels that are further apart
wider tyres
A
B
C
D
A
B
C
D
The energy of a moving object is
K.E
G.P.E
Chemical Energy
Thermal Energy
Energy stored in the spring is
Elastic Energy
Chemical Energy
Heat
G.P.E
Energy stored in the nucleus of an atom is
Chemical Energy
Nuclear Energy
Electrical Energy
K.E
