WorksheetsFORCE, MOTION & ENERGY
Total questions: 20
Worksheet time: 11mins
The Law of Conservation of Energy states:
Energy can created or destroyed but not transformed
Energy cannot be created or destroyed, it can only transformed from one form to another form
Energy can't be created, destroyed or transformed
All the above
Running is Potential or kinetic?
Potential
Kinetic
Stretched bow and arrow is
Potential or kinetic?
Kinetic
Potential
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What kind of energy does this device use?
Chemical
Electrical
Thermal
Mechanical
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What kind of energy is represented in this picture?
Potential
Thermal
Mechanical
Nuclear
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When the cart started rolling the energy transformation was ______.
Potential to kinetic
Kinetic to potential
No energy was transformed
Not defined
The unit of work is joule. The other physical quantity that has same unit is
Power
Force
Energy
Velocity
SI unit of power is _______
Newton(N)
Pascal
Joule
Watt,W
Kinetic energy formula (a)
Potential energy formula (a)
What does the law of conservation of momentum mean?
it is what happens when a collision happens.
it tells what momentum is.
it is what gravity does
it is speed.
What is mometum?
Science
memes
the quantity of motion of a moving body
Weight
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What happens when a ball collides with a human?
The human will not move.
The human will fall down.
Both will move in opposite directions.
nothing
.
Practical unit of power is_____
Watt
horse power(HP)
Newton
Watt meter
1HP is equal how much watt?
746 watts
789 watts
`769 watts
709 watts
1 Joule _____dyne
105 dyne
107 dyne
106dyne
108 dyne
CGS unit of force is _____
Erg
Nano
Dyne
Meter
CGS unit of work___
Erg
Dyne
Newton
Pascal
Momentum p = _____
m x v
m x a
m x n
f x d
What is Impulse of Force equal to?
F X time in Newton seconds (Ns)
Force/ time in Newton per second
Force X distance in Newton metre
Force X displacement in Newton metre
