WorksheetsP6 REVIEWER
Total questions: 72
Worksheet time: 1hrs 2mins
A car from rest accelerates at 1.70m/s2 for 25 seconds. What is the average speed (in m/s) of the car?
(a)
What is the x-component (in N) of the vector 30N 217o?
(a)
A vector is a quantity that has
magnitude only
time and direction
magnitude and direction
magnitude and time
At the instant a ball is thrown horizontally with a large force, an identical ball is dropped from the same height. Which ball hits the ground first?
The dropped ball
Neither—they both hit the ground at the same time.
The horizontally thrown ball
An object was projected with initial velocity of 12 m/s at an angle of 28o above the horizontal. Determine the total flight time (in s) of the object. Air resistance is neglected.
(a)
If the force acting on a cart doubles, what happens to the cart's acceleration?
it halves
it quarters
it quadruples
it stays the same
it doubles
A box is dragged without acceleration in a straight-line path across a level surface by a force of 13 N. What is the frictional force between the box and the surface?
more than 13 N
less than 13 N
13 N
need more information to say
refers to an object’s change of position with respect to a certain reference point or frame of reference.
(a)
Suppose the force of friction on a sliding object is 25 N. The force needed to maintain a constant velocity is
less than 25N
more than 25N
25N
If this is a position (m) vs time (s) graph, what is the the total distance covered in 6 seconds?
(a)
The law of inertia states that an object
at rest will remain at rest unless acted on by an outside force.
will continue moving in a straight line unless an outside force acts on it.
will continue moving at the same velocity unless an outside force acts on it.
That is not moving will never move unless a force acts on it.
What is the ∑�� of the forces 30N 217o and 25N directed north?
(a)
If this is a velocity (m/s) vs time (s) graph, what can be said about the time interval 1-2s?
none of the choices
it is not moving
it has constant velocity
it is accelerating
The angle or direction of the resultant vector is determined using a
(a)
The horizontal component of a projectile's velocity is independent of
time.
the range of the projectile.
none of the choices
the vertical component of its velocity.
is a comparison of an unknown quantity with a known standard amount of the same quantity.
(a)
When can we say that an object is accelerating?
when there is a change in its direction
when there is a change in its speed
when the distance covered per unit time changes
when there is a change in both speed and direction
If there are 3.28 feet in 1 meter and there are 12 inches in 1 foot, how many inches are there in 1 meter?
(a)
A car starts from rest and after 7 seconds it is moving at 42 m/s. What is the car’s average acceleration?
0.17 m/s2
6 m/s2
7 m/s2
1.67 m/s2
A train travels 6 meters in the first second of travel, 6 meters again during the second second of travel, and 6 meters again during the third second. Its acceleration is
18 m/s2
none of the choices
6 m/s2
0 m/s2
12 m/s2
deals with the study of motion and forces affecting the motion of bodies and the properties of matter are often included in the study of mechanics.
(a)
includes the measurement of temperature, the effect of temperature on the properties of matter, heat flow, heat exchange and thermodynamics, the conversion of thermal energy into mechanical work by different engines.
(a)
involves the transfer of energy by means of a periodic disturbance through a medium.
(a)
includes the study of electric and magnetic field and their interactions, the motion of electric charges through conductor and simple electric circuits.
(a)
is the study of the nature and behavior of light, its passage through different transparent media and its behavior in such phenomena of reflection, refraction, diffraction and polarization.
(a)
The most interesting part is known as the (a) , beginning with Einstein’s theory of relativity and the discoveries of x-rays, radioactivity, the electron and the transformation of Quantum theory.
It is a comparison of an unknown quantity with a known standard amount of the same quantity. It is the process of getting the actual measure of an object’s dimension or property by comparing with something that has been accepted as a standard unit.
(a)
also known as foot-pound-second system (this was developed in England).
(a)
it was originally developed in France and it is at preventing commonly used continental Europe. Because of its decimal oasis, it is more to use as compared to the cumbersome English system.
(a)
(meter-kilogram-second) System (international system IS)
(a)
centimeter-gram-second) System
(a)
1 km
(a)
1 ft
(a)
1 mi
(a)
1 m
(a)
1 acre =
(a)
are quantities with magnitude only. It answers the question "by how much?". Examples are distance, speed, time, mass, and energy.
(a)
are quantities with both magnitude and direction. It answers the question "by how much and in what direction?
(a)
he sum or combination of several vectors is called the
(a)
This single vector is called the
(a)
is a branch of physics that deals with the study of motion
(a)
is a scalar quantity that refers to the total path length taken by an object from an initial position to the final position
(a)
on the other hand, is a vector quantity that refers to the straight-line distance between the initial position and the final position.
(a)
is a scalar quantity that describes the rate at which an object is moving along a path.
(a)
is the rate and direction of an object's movement. The SI unit for speed or velocity is meter per second (m/s).
(a)
deals with the study of motion without reference to forces causing that MOTION
(a)
deals with the study of forces and their influence on the motion of objects
(a)
is the study of the forces that cause objects and systems to move
(a)
is either a push or a pull that may cause an object to move, stop, or change its direction
(a)
is an English scientist and mathematician who is famous for his discovery of the law of gravity and the three laws of motion.
(a)
describe the motion of all objects on the scale we experience in our daily lives.
(a)
states that an object at rest remains at rest and an object in motion remains in motion at a constant speed and direction unless a net external force acts on it.
(a)
is the capacity of an object to resist changes in motion. The inertia of an object is proportional to its mass
(a)
states that force equals mass times acceleration
(a)
states that for every action, there is an equal and opposite reaction. This is also known as the Law of Interaction.
(a)
Mass and weight are different from each other.
TRUE
FALSE
is a scalar quantity that describes the amount of matter an object has
(a)
is a vector quantity that describes the force exerted on an object by virtue of its position in a gravitational field.
(a)
is the type of force exerted by a surface on an object. It always acts perpendicular to the surfaces in contact.
(a)
is a type of force that opposes the relative motion of an object. This type of force always acts parallel to the surfaces in contact and opposite the direction of the motion or attempted motion of an object.
(a)
is a type of friction that occurs when two contacting surfaces/systems are stationary
(a)
on the other hand, occurs when two objects/systems are moving relative to one another.
(a)
In the experimental method, the resultant has the same magnitude and direction as the equilibrant
TRUE
FALSE
A scalar is a quantity that has
TIME
COLOR
MAGNITUDE
DIRECTION
Compared to its mass on Earth, the mass of a 10-kg object on the moon is
MORE
THE SAME
LESS
Which of the following is not a fundamental quantity?
TIME
LUMINOUS INTENSITY
ELECTRIC CURRENT
LENGTH
Displacement refers to the total path length taken by an object from an initial position to the final position while distance refers to the straight-line distance between the initial position and the final position.
TRUE
FALSE
It is the study of the nature and behavior of light, its passage through different transparent media and its behavior in such phenomena of reflection, refraction, diffraction and polarization.
OPTICS
LIGHT ENERGY
MECHANICS
MODERN PHYSICS
A projectile launched horizontally hits the ground in 0.8 seconds. If it had been launched with a much higher speed in the same direction, it would have hit the ground (neglecting Earth's curvature and air resistance) in
LESS THAN 0.8S
0.8S
MORE THAN 0.8S
A book weighs 4 N. When held at rest in your hands, the net force (in N) on the book is
(a)
What is the weight of a 3.0-kg bag of bolts?
7.2 N
22.8 N
29.4 N
14.4 N
58.8 N
A ball is thrown straight upward at 10 m/s. Ideally (no air resistance), the ball will return to the thrower's hand (same level as the ball was thrown) with a speed of
O M/S
10 M/S
20 M/S
5 M/S
