17 Questions
Which property of matter was identified by Galileo that makes heavier objects more difficult to move or stop?
Inertia
According to Newton, what property of matter causes a body to resist changes in its state of rest or uniform motion?
Inertia
A force can do which of the following to a body?
All of the above
The goalkeeper in Figure 3.4 is using a force to:
Stop the ball
Which of the following statements about momentum is correct?
Momentum is a vector quantity
According to the law of conservation of momentum, the total momentum of a closed system:
Remains constant over time
What are the characteristics of a physical quantity?
Numerical magnitude and unit of measurement
Which of the following are considered base quantities?
Length, mass, time, electric current
What is the unit for measuring mass in the International System of Units (SI)?
Kilogram
Which law states that the total momentum of an isolated system remains constant if no external forces act on it?
Law of Conservation of Momentum
Inertia is the resistance of an object to change its state of motion. Which of Newton's laws is directly related to this concept?
Newton's First Law
What is the relationship between force and acceleration as described by Newton's Second Law?
$F = ma$
According to Newton's first law of motion, what happens when no net force acts on a body?
The body will remain at rest or in uniform motion
What is the relationship between the momentum $P$ of a body and its mass $m$ and velocity $v$?
$P = mv$
Why does a moving object on a rough surface stop earlier than on a smooth surface?
Rough surfaces offer greater friction
What is the SI unit of momentum?
kgm/s
When a bus takes a sharp turn, why do passengers fall in the outward direction?
Due to the passengers' inertia
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