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WorksheetsScience Quiz
Total questions: 30
Worksheet time: 31mins
Speed is related to ___
Magnitude
Directions
Magnitude & Directions
None of the above
Which force involves electric charges?
A
C
B
D
When forces that have equal magnitude but different directions, net force is?
Smaller than the one applied
Bigger than the one applied
Equal to zero
none of them
Which is a statement found in Newton’s second law?
Every object with mass in the Universe feels an attraction force
Acceleration is inversely proportional to force and directly proportional to mass.
Forces applied in the same direction but with different magnitude produce a net force equal to zero.
Acceleration is directly proportional to force and inversely proportional to mass
What is a force?
Any push or pull
change in speed
something that causes no motion
tendency of an object to resist a change in its motion
What is Acceleration?
Any push or pull
Anything that causes motion
Change in speed
Something that causes no motion
According to Newton's 2nd Law of Motion, force equals mass times ?
inertia
speed
acceleration
weight
The amount of matter in an object is?
inertia
mass
acceleration
force
Ohm is Equivalent to?
ampere/volt
volt/ampere
coulomb/volt
volt/coulomb
What is voltage?
the rate of flow of charge
the difference in charge between 2 points
the amount of available charge
What is an electric current?
a build up of electrons
the difference in charge between 2 points
the flow of electrons over a circuit
the opposition to flow of electrons
What might happen if wires weren't insulated?
The power source would no longer provide a source of electrons.
We'd be in danger of harm from electric shocks.
Current electricity would become static electricity.
The circuit would be broken.
The positive terminal on a battery is called the
anode
collector
cathode
electrolyte
TRUE / FALSE: A battery does not generate electricity, it converts it from chemical potential energy.
TRUE
FALSE
An ampere is
a unit of resistance
a unit of force
a unit of electric current
What is resistance
the rate at which a charge is flowing
the material's tendency to resist flow of electrons
the difference of charge between 2 points
it is futile
Which one is NOT a contact force
Normal Force
Spring Force
Magnetic Force
Frictional Force
A moving train car collides with another train car that is motionless on the track. The train cars are the same size. How does the final momentum of the two cars compare to the momentum of the first car?
It is the same
It is double
It is half
It is zero
A 3,000-N force gives an object an acceleration of 15 m/s2 . The mass of the object is ____.
45,000 kg
1,500 kg
200 kg
15 kg
Energy possessed by a body by virtue of its motion is called :
Potential energy
Kinetic energy
Gravitational energy
None
If Mass is 15 And Velocity Is 20 Then What is Kinetic Energy?
6000
5000
2000
1500
State the three law's of motion?
