WorksheetsPhysics Review
Total questions: 58
Worksheet time: 15hrs 30mins
What is a vector quantity?
A quantity that is at rest
A quantity that has magnitude, unit, and direction
A quantity that explains why objects are in motion
A quantity that has only a magnitude and a unit
What is the displacement of a cyclist who starts at a highway marker +3 km and ends at marker -7 km. Consider positive numbers as representing positions east of the center of town.
10 km [W]
10 km [E]
4 km [W]
4 km [E]
What is the distance travelled by a jogger who starts at highway marker + 1 km, jogs to -5 km, and then proceeds to marker +8 km?
4 km
7 km
13 km
19 km
What does a straight line on a graph of position versus time tell us about the motion of an object?
The object is travelling with positive velocity
The object is travelling with negative velocity
The object is travelling with uniform velocity
The object is travelling with zero velocity
How is average speed calculated?
Average speed equals total distance divided by the change in time
Average speed equals total distance multiplied by the change in time
Average speed equals total displacement divided by the change in time
Average speed equals total displacement multiplied by the change in time
How can you find the velocity at any given point on a curve of a position-time graph?
Find the slope of the tangent to the curve at a given point
Find the length of the tangent to the curve at a given point
Find the slope of the straight line that joins the given point and the origin
Find the length of the straight line that joins the given point and the origin
What is acceleration?
An increase in velocity
A decrease in velocity
A change in the direction of velocity
Any change in velocity
On a velocity-time graph, what does a straight sloped line always represent?
Constant displacement
Constant velocity
Uniform acceleration
Constant speed
How do you find the displacement of a moving object from a velocity-time graph?
Find the slope of each straight line of the graph and add them together
Find the length of each straight line and add them together
Find the area under the graph
Find the product of the slope of each line and the area under the graph
A cyclist accelerates uniformly from rest to 5.0 m/s in 5.0 s. Describe the straight line representing the motion of the cyclist on a velocity time graph.
The line is horizontal from 5.0 m/s at 0 s and extends to 5.0 m/s at 5.0 s
The line is descending from 5.0 m/s at 0 s to 0 m/s at 5.0 s
The line is rising from 0 m/s at 0 s to 5.0 m/s at 5.0 s
The line is vertical from 0 m/s at 5.0 s to 5.0 m/s at 5.0 s
As an ice dancer spins, a fringe on her costume sleeve becomes detached. The path it follow, as viewed from above, will be
IV
I
III
II
The major force or forces acting on the food bag could be described as
III only
V only
II and IV
IV and III
The term which is defined as the gravitational force on a body is
mass
weight
inertia
acceleration due to gravity
The gravitational field around a planet varies
directly as the square of the distance from the planet's surface
directly as the square of the distance from the planet's centre
inversely as the square of the distance from the planet's surface
inversely as the square of the distance from the planet's centre
The universal gravitation constant (G) was measured directly by
Kepler
Newton
Cavendish
Brahe
A satellite in elliptical orbit
has uniform speed
has the greatest orbit speed when it is closest to the planet it is orbiting
has the greatest orbit speed when it is furthest from the planet it is orbiting
cannot be explained by the universal law of gravitation
A proposed design for an Earth space station would involve it rotating. The most important reason for having a space station rotate is
it would give the inhabitants a night/day sequence to keep their biological clocks stable
it would give the inhabitants a more complex view of the Earth below
it would give the inhabitants a complete view of the surrounding space so they could avoid being hit by "space junk"
the centripetal acceleration of the station could simulate gravity for the inhabitants
For a satellite in a circular orbit around the Earth
the orbital velocity must be smaller for a large mass
the orbital velocity will be the same for any mass
the orbital velocity must be larger for a large mass
fuel must be carried to provide energy to maintain the orbital velocity
In order to launch a communications satellite and place it into geosynchronous orbit around Earth, it is most important to control the
altitude and speed of the satellite
mass and size of the satellite
size and shape of the satellite
mass and altitude of the satellite
Waves provide a means of transferring
matter
particles
liquid
energy
A 10 Hz wave has a 2 cm wavelength. The velocity of this wave is
5 cm/s
8cm/s
12 cm/s
20 cm/s
A sound wave travels from A to B. In which direction do the particles of the medium vibrate?
Which of the mechanical waves represented below has the greatest energy?
If an incident wave makes a 20o angle with a barrier, the reflected wave makes a _____ angle with a perpendicular drawn to the barrier.
10o
20o
50o
70o
A is an incident ray. Which is the corresponding reflected ray?
If the amplitude of the reflected pulse is ________ when a wave passes from one medium to another, most of the energy has been transmitted.
inverted
erect
large
small
Which two points are in phase?
A and C
B and C
A and D
B and D
Pulses are going from medium A to medium B as shown. The speed of the waves in B is greater. Which diagram best describes the pulses in B?
Which diagram below will lead to destructive interference?
When waves refract, the waves do not change
speed
frequency
wavelength
direction
Quantities in physics are generally divided into
magnitude and scalar quantities
dynamic and scalar quantities
vector and scalar quantities
kinematic and scalar quantities
A vector is a quantity that
is at rest
has a magnitude, a unit, and a direction
explains why objects are in motion
has only a magnitude and a unit
A plane's velocity relative to the ground is found by adding the plane's velocity relative to the air and
the velocity of the plane relative to the ground
the velocity of the air relative to the plane
the velocity of the air relative to the ground
the velocity of the ground relative to the plane
A ball is being swung in a horizontal circle in the clockwise direction. Which of the following can be said about the velocity of the ball?
The velocity of the ball is increasing along the circular path
The velocity of the ball is decreasing along the circular path
The velocity of the ball is tangent along the circular path
The velocity of the ball is perpendicular to the circular path
What is the direction of acceleration of an object moving in a circular path?
It is tangent to the circular path
It is toward the centre of the circle
It is away from the centre of the circle
It is equal to the arc length for small angles
What does it mean for a body to be in free fall?
Any body falling under the influence of gravity alone
Any body falling through water
Any body under the influence of both horizontal and vertical forces
The fall of a skydiver after his parachute opens
What is the direction of acceleration due to gravity?
On the ocean floor it is down while on the mountain tops it is up
It is always upward, away from the Earth
It is always downward toward the centre of the Earth
Acceleration due to gravity is a scalar quantity and has no direction
Which one of the following statements is the definition of amplitude for a pendulum?
The length of string from the top to the centre of mass
The amount of mass at the end of the string
The time required for one complete cycle
The maximum sideways displacement of the mass from its rest position
What is a force?
It is a push or a pull
It speeds things up, slows them down, and sends them around corners and up hills
It is an agent that objects use to interact with one another
All of the above
Which of the following is true regarding gravitational field strength on Earth?
It is the same everywhere
It is greater on mountain tops
It is weaker in valleys
It varies with distance from the Earth's centre
Who was the first scientist to see the connection between falling objects, projectiles, and satellites in orbit?
Aristotle
Galileo
Newton
Einstein
How does the gravitational force between two bowling balls change as the distance between their centres is first reduced to one half and then increased to three times the original distance?
It first becomes four times as great and then one-ninth as great
It first becomes one-fourth as great and then one-ninth as great
It first becomes four times as great and then one-third as great
It first becomes twice as great and then three times as great
What is inertia?
The amount of matter in an object
The force of gravity on an object
The amount of force acting on each kilogram of mass
The tendency of an object to resist changes in its state of motion
Which of the following is a statement of Newton's First Law of Motion?
If no unbalanced force acts on an object, the object accelerates in the direction of the single greatest force acting on the object
If no net force acts on an object, the object maintains its state of motion
Acceleration varies directly with the unbalanced force
For every action force, there exists a reactive force that is equal in magnitude but opposite in direction
Which of the following is a statement of Newton's Second Law of Motion?
If an unbalanced force acts on an object, the object accelerates in the direction of the force
If no net force acts on an object, the object maintains its state of motion
For every action force, there exists a reactive force that is equal in magnitude but opposite in direction
When no external, unbalanced force acts on an object, its velocity remains constant
Which of the following is a statement of Newton's Third Law of Motion?
When no external, unbalanced force acts on an object, its velocity remains constant
For every action force, there exists a reactive force that is equal in magnitude but opposite in direction
If no net force acts on an object, the object maintains its state of motion
If an unbalanced force acts on an object, the object accelerates in the direction of the force
How is the acceleration of an object related to the mass and the net force?
Acceleration varies directly with both the unbalanced force and the mass
Acceleration varies inversely with both the unbalanced force and the mass
Acceleration varies directly with the unbalanced force and inversely with the mass
Acceleration varies inversely with the unbalanced force and directly with the mass
A transfer of energy in the form of a periodic disturbance through a medium is called a
wave
period
wavelenght
watt
One complete vibration of a vibrating object is called a
series
circle
cycle
refraction
The time required for one complete oscillation of a vibrating object is called
the frequency
the periodic rate
the period
one Hertz
Two objects vibrate in simple, one-dimensional motion at the same frequency and in different directions at the same time. These objects are said to be _______ with each other.
in phase
out of phase
out of frequency
out of velocity
Two pendulums of the same length are released from the same relative positions at the same time. One would expect them to oscillate ____________ with each other.
in frequency
in period
in phase
out of phase
Particles in a transverse wave vibrate
at right angles to the direction of travel of the wave
180° out of phase with the direction of travel of the wave
at a supplementary angle to the direction of travel of the wave
parallel to the direction of travel of the wave
Particles in a longitudinal wave vibrate
at right angles to the direction of travel of the wave
180° out of phase with the direction of travel of the wave
at a supplementary angle to the direction of the wave
parallel to the direction of travel of the wave
Waves transmitted from a faster to a slower medium will
decrease in wavelength
increase in wavelength
decrease in frequency
increase in frequency and decrease in wavelength
When using wave rays to describe wave reflection, the angle of incidence and the angle of reflection, are measured from
an imaginary line perpendicular to the reflecting surface
the normal to a reflecting object
an angle determined by the frequency of the wave
A and B are both correct
Which of the following is true regarding a billiard ball and a feather dropped from the same height near the surface of the Earth.
The billiard ball and the feather will both reach terminal velocity and hit the ground at the same moment
They will accelerate and hit the ground at the same moment
The billiard ball will hit the ground first
The feather will cling to the billiard ball and slow it down
Which of the following is true regarding a billiard ball and a feather dropped from the same height near the surface of the moon. Recall that the moon does not have an atmosphere.
The billiard ball and the feather will both reach terminal velocity and hit the ground at the same moment
They will accelerate and hit the ground at the same moment
The billiard ball will hit the ground first
The feather will cling to the billiard ball and slow it down
