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15 questions
It is a quantity that can be described completely by its magnitudes and appropriate units.
Vector quantity
Scalar quantity
Acceleration
Resultant vector
Which of the following is not a scalar quantity?
age of the earth
mass of the football
earth's pull on your body
temperature of an iron bar
It is the study of force in relation to motion.
Kinematics
Kinesthetics
Dynamics
Translation
This refers to the total length or path covered by an object from the starting point to the endpoint.
Displacement
Location
Distance
Position
When done in a vacuum, both feather and hammer will hit the ground together due to the absence of gravity.
True
False
The final velocity of the upward motion of a projectile is equal to the initial velocity of the projectile's downward motion.
True
False
Supplementary angles yield the same range when launched at the same speed.
True
False
It is the tendency of an object to resist change whether in motion or at rest.
Inertial reference frame
Inertia
Law of Inertia
First law of equilibrium
It is a force that exists when two objects are rubbed together in opposite directions.
Static friction
Kinetic friction
Friction
Rolling friction
Passing a ball is an example of positive work when displacement is based on the vertical component.
True
False
There is no work done when the force applied is at 90 degrees from the displacement.
True
False
Power is the rate of Work per unit time. How is Power expressed in units?
Joules per second
newton.meter per second
Watt
All are correct
It is the product of mass and velocity.
Momentum
Kinetic energy
Potential energy
Impulse
What happens to the center of mass of a person if his right leg is amputated?
It shifts to the left and upward
It shifts to the right and upward
It shifts to the left and downward
It shifts to the right and downward
In an isolated system, the total momentum of two objects before the collision is equal to the momentum of two objects after the collision but not the kinetic energy.
True
False
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