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Which of these is a good insulator?
Which of these is a good conductor?
Which of these is a unit of electrical energy?
In what units is force measured in?
kilometres per second
1 newton is approximately equal to:
This ball has:
The stationary car on the hill has:
gravitational potential energy
maximum kinetic energy
elastic potential energy
In this clip gravitational potential can be seen ____________ into kinetic energy.
a force that acts to slow down movement
a force that acts to speed up movement
increased by lubrication
always a problem in our lives
True or false: The light in this circuit will not go on.
the property of laziness (or not moving unless a force is acted upon it).
the tendency of an object to stay moving until stopped by a force.
both the tendency to keep moving or not to move unless acted on by a force.
a force rather than a property.
True or false: In a vacuum, a feather will fall slower than a bowling ball.
Which of the following is NOT a unit of momentum?
Velocity is defined as __________
Speed and inertia
Speed and direction
Distance and direction
Direction and inertia
Acceleration is the rate of change in ___________.
_______ is the force that slows an object in free fall.
None of the above
What kind of quantity has both a magnitude and a direction?
Which of the following is NOT a scalar quantity?
If an object is not moving the forces acting upon it are _____________
_______ is the tendency of an object to resist a change in its motion.
"For every action, there is an equal and opposite reaction" is the definition of which law?
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
None of these
What two subatomic particles are found in an atom's nucleus?
Protons and neutrons
neutrons and electrons
electrons and protons
Beta radiation is ____________________
an electron from an electron shell.
an electron from the nucleus.
two protons and two neutrons.
a high frequency electromagnetic wave.
______ is used to determine the age of once-living artifacts.