# SCI FUN T.JOHN M3 FINAL COVERAGE Question Preview (ID: 20422)

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Calculate the POTENTIAL ENERGY of an ice buildup on a mountain with a mass of 3000 kg at a height of 10 meters.
a) 294,000 Joules
b) 30,000 Joules
c) 300 Watts
d)

How much POWER will it take to move a 100 N mass at a distance of 30 meters in 3 seconds?
a) 10 Newton
b) 100 Joules
c) 1000 Watts
d)

Calculate the WORK done, If a man pushes a concrete block 10 meters with a force of 20 N.
a) 20 Joules
b) 200 Newton
c) 200 Joules
d)

If the Kinetic Energy goes UP, Potential Energy goes__________.
a) Down
b) Up
c) Constant (never change)
d)

Potential Energy and Kinetic Energy may vary, but Total Energy remains____________.
a) Down
b) Up
c) Constant (never change)
d)

As the speed goes UP the Kinetic Energy goes__________.
a) Down
b) Up
c) Constant (never change)
d)

Another example of energy transformation is electric - thermal is.
a) Electric Oven - baking cake
b) Khao Pad Kai - riding a bike
c) Computer - light and sound
d)

We say energy can only be transformed. An example of chemical to motion is:
a) Electric Oven - baking cake
b) Khao Pad Kai - riding a bike
c) Computer - light and sound
d)

Energy CANNOT be created NOR destroyed.
a) True
b) False
c) Not Really
d) It depends

A type of energy where in the energy of an object is relative to its motion.
a) Potential Energy
b) Kinetic Energy
c) Work Energy
d) Electrostatic Energy

A type of energy that is stored and waiting to be used later.
a) Potential Energy
b) Kinetic Energy
c) Work Energy
d) Electrostatic Energy

We say Work is a scalar or has a vector quantity. What does it mean?
a) Has force
b) Has time
c) Has direction
d) Has whatever

When a force acts to move an object, we say that _______ was done
a) Force
b) Work
c) Constant
d) Nothing

Calculate the ELECTRIC CURRENT if a total charge of 300 Coloumbs was felt in the swimming pool for 1.5 minutes.
a) 4,500 Joules
b) 3.33 Ampere
c) 33.3 Volts
d)