Question 1

What is another name for the British Imperial system?

Accepted Answer

Foot-pound-second (FPS)

Answer

Base-10 system

Answer

SI system

Answer

Metric system

Question 2

What is the system used in science and by most nations?

Accepted Answer

International System of Units (SI)

Answer

Foot-pound-second system (FPS)

Answer

English system

Answer

Imperial system

Question 3

In the SI system, which unit is used for length?

Accepted Answer

Meter

Answer

Pound

Answer

Foot

Answer

Yard

Question 4

If you move the decimal point to the left in scientific notation, what happens to the exponent?

Accepted Answer

The exponent becomes positive

Answer

The number decreases

Answer

The exponent becomes negative

Answer

The number increases

Question 5

Which SI prefix represents $10^3$

Accepted Answer

Kilo

Answer

Mega

Answer

Giga

Answer

Hecto

Question 6

How many grams are in one pound (lb)

Accepted Answer

454 grams

Answer

907 grams

Answer

1000 grams

Answer

100 grams

Question 7

In scientific notation, if the exponent $10^3$ is negative, which direction should the decimal be moved to convert back to standard form?

Accepted Answer

Left

Answer

Down

Answer

Right

Answer

Up

Question 8

What is the main application of trigonometry in vectors?

Accepted Answer

To find the components of vectors

Answer

To calculate the magnitude of scalars

Answer

To change the direction of vectors

Answer

To represent points on a graph

Question 9

What is a vector component?

Accepted Answer

The effect of a vector along other directions

Answer

The distance from the origin

Answer

The sum of two vectors

Answer

The direction of a vector

Question 10

How do you find the resultant of two perpendicular vectors?

Accepted Answer

By converting from rectangular to polar coordinates

Answer

By subtracting the smaller vector from the larger one

Answer

By multiplying the magnitudes

Answer

By graphing the two vectors

Question 11

What happens to a vector's direction when it is subtracted?

Accepted Answer

The sign (direction) must be changed before adding

Answer

The magnitude doubles

Answer

The vector becomes larger

Answer

The vector is flipped horizontally

Question 12

How is a vector graphically represented?

Accepted Answer

As an arrow with magnitude and direction

Answer

As a line segment

Answer

As a circle

Answer

As a point on a graph

Question 13

What is the value of both sine and cosine when the angle ( $10^3$ ) is 45 degrees?

Accepted Answer

The same value for both

Answer

Cosine is greater than sine

Answer

Zero for both

Answer

Sine is greater than cosine

Question 14

What is the sole influence on a free-falling object?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Air resistance

Answer

Friction

Question 15

What happens to the velocity of a free-falling object as it falls downward?

Accepted Answer

Increases/speeds up

Answer

Decreases/slows down

Answer

Changes direction

Answer

Remains constant

Question 16

When a ball is thrown vertically upward, what is the direction of velocity at the top of its path?

Accepted Answer

Zero

Answer

Positive

Answer

Constant

Answer

Negative

Question 17

In a dot diagram for free-falling objects, how does the spacing between dots change as the object falls?

Accepted Answer

Increases

Answer

Remains the same

Answer

Decreases

Answer

Alternates

Question 18

What is the acceleration of a free-falling object at any given point?

Accepted Answer

Always negative

Answer

Increases over time

Answer

Zero at the highest point

Answer

Positive when going up, negative when falling

Question 19

How does velocity behave when the object moves upward in free-fall?

Accepted Answer

Decreases/slows down

Answer

Zero

Answer

Increases/speeds up

Answer

Remains constant

Question 20

Which of the following factors can be used to calculate velocity at any given instant in time for a free-falling object?

Accepted Answer

Uniformly Accelerated Rectilinear Kinematics Equations

Answer

The shape of the object

Answer

The mass of the object

Answer

The initial height of the object

Question 21

If an object is thrown upward, what is the direction of acceleration?

Accepted Answer

Downward

Answer

Upward

Answer

Horizontal

Answer

Changes depending on the height

Question 22

What is displacement?

Accepted Answer

The straight-line separation between two points in a specified direction.

Answer

The time it takes to travel a specific distance.

Answer

The change in velocity over time.

Answer

The total distance traveled regardless of direction.

Question 23

Which of the following is a scalar quantity?

Accepted Answer

Distance

Answer

Velocity

Answer

Force

Answer

Displacement

Question 24

In a motion diagram, what does an increasing distance between images represent?

Accepted Answer

The object is speeding up.

Answer

The object is moving at a constant speed.

Answer

The object is stationary.

Answer

The object is slowing down.

Question 25

What is the direction of acceleration in relation to the force acting on an object?

Accepted Answer

The same as the direction of force.

Answer

Unrelated to the force's direction.

Answer

Opposite to the direction of force.

Answer

Perpendicular to the direction of force.

Question 26

For a position-time graph, how do you determine the average velocity?

Accepted Answer

By drawing a straight line between any two points on the graph.

Answer

By measuring the area under the curve.

Answer

By calculating the slope of the acceleration-time graph.

Answer

By finding the midpoint of the displacement graph.

Question 27

What type of quantity is displacement?

Accepted Answer

A vector quantity with both magnitude and direction.

Answer

A quantity dependent only on speed.

Answer

A scalar quantity with only magnitude.

Answer

A constant value that does not change.

Question 28

What does a motion diagram show?

Accepted Answer

The position of an object at equally spaced instants of time.

Answer

The speed of an object at various points in time.

Answer

The displacement of an object over time.

Answer

The direction of force acting on the object.

Question 29

What is projectile motion?

Accepted Answer

The motion of a particle moving near the Earth’s surface under the influence of its weight only.

Answer

The motion of an object influenced by both air resistance and gravitational force.

Answer

The motion of a particle moving with uniform speed in a straight line.

Answer

The motion of an object in space with no external forces.

Question 30

What is the nature of motion along the x-axis in projectile motion?

Accepted Answer

It is a uniform velocity motion responsible for the horizontal movement of the particle.

Answer

It changes due to the weight of the particle.

Answer

It is an accelerated motion caused by gravitational force.

Answer

It is affected by the vertical component of velocity.

Question 31

What happens to the horizontal velocity of a projectile once motion begins (neglecting air resistance)?

Accepted Answer

It remains constant.

Answer

It increases due to gravitational pull.

Answer

It fluctuates depending on the angle of projection.

Answer

It decreases over time.

Question 32

What is the acceleration in the y-axis for a projectile motion?

Accepted Answer

g=−9.8m/s²

Answer

g=9.8m/s2

Answer

g=10m/s2

Answer

Zero

Question 33

What is the range in projectile motion?

Accepted Answer

The horizontal displacement for a complete projectile motion.

Answer

The speed at which the projectile hits the ground.

Answer

The maximum height reached by the projectile.

Answer

The total distance traveled by the projectile.

Question 34

What happens to the vertical velocity of a projectile?

Accepted Answer

It behaves just like free fall.

Answer

It is unaffected by gravity.

Answer

It remains constant throughout the motion.

Answer

It increases in the upward direction.

Question 35

Which of the following describes motion along the y-axis in projectile motion?

Accepted Answer

It is governed by uniform acceleration due to gravity.

Answer

It is influenced by external forces.

Answer

It is independent of horizontal motion.

Answer

It is uniform velocity responsible for the forward motion of the particle.

Question 36

What is uniform circular motion?

Accepted Answer

Motion of an object in a circular path with constant tangential speed.

Answer

Motion of an object in a parabolic path with constant speed.

Answer

Motion of an object in a circular path with increasing speed.

Answer

Motion of an object in a straight line with constant velocity.

Question 37

What does tangential speed depend on in uniform circular motion?

Accepted Answer

The distance from the axis of rotation.

Answer

The gravitational pull.

Answer

The angle of the object’s velocity.

Answer

The mass of the object.

Question 38

What is the relationship between angular speed and tangential speed?

Accepted Answer

Angular speed is related to tangential speed through the distance from the axis of rotation.

Answer

Tangential speed depends only on the mass of the object.

Answer

There is no relationship between angular and tangential speed.

Answer

Angular speed is the same as tangential speed.

Question 39

Why does a car exhibit uniform circular motion

Accepted Answer

Due to constant speed in a straight line.

Answer

Due to changes in tangential speed.

Answer

Due to friction between the wheels and the ground.

Answer

Due to constant centripetal acceleration toward the center of the wheel.

Question 40

In uniform circular motion, what is the direction of velocity?

Accepted Answer

It is tangent to the circular path.

Answer

It points toward the center of the circle.

Answer

It is constant in both magnitude and direction.

Answer

It is perpendicular to the circular path.

Question 41

What is centripetal acceleration?

Accepted Answer

The acceleration directed toward the center of a circular path, requiring a force.

Answer

The acceleration that pushes objects away from the center of rotation.

Answer

The acceleration that is tangent to the circular motion.

Answer

The acceleration that occurs only when speed increases.

Question 42

What is centripetal force?

Accepted Answer

The force that pulls objects toward the axis of rotation during circular motion.

Answer

The force that prevents objects from moving in a straight line.

Answer

The force that acts tangentially to the circular motion.

Answer

The force that pushes objects away from the axis of rotation.

Question 43

Which of the following is an example of a centripetal force?

Accepted Answer

Tension force.

Answer

Air resistance.

Answer

Electromagnetic force.

Answer

Buoyant force.

Question 44

What is the definition of work in physics?

Accepted Answer

Work is done whenever a force produces movement.

Answer

Work is done only when an object is at rest.

Answer

Work is defined as the distance moved without any force applied.

Answer

Work is the total energy of an object.

Question 45

Which factors determine the amount of work done?

Accepted Answer

The greater the force and the distance moved in the direction of the force.

Answer

The speed of the object.

Answer

The type of surface the object is on.

Answer

The angle of the force applied.

Question 46

What is the SI unit of work?

Accepted Answer

Joule

Answer

Newton

Answer

Gigi

Answer

Watt

Question 47

When is work done by a horizontal force?

Accepted Answer

When the applied force is parallel to the displacement.

Answer

When the force is applied at an angle.

Answer

When the force acts vertically.

Answer

When there is no displacement.

Question 48

How is work calculated when force is applied at an angle to displacement?

Accepted Answer

By calculating the component of the force in the direction of the displacement.

Answer

By using only the vertical component of the force.

Answer

By calculating the frictional force.

Answer

By multiplying the total force by the distance.

Question 49

What happens to the work done when the force is perpendicular to the displacement?

Accepted Answer

No work is done.

Answer

Work is doubled.

Answer

Work is negative.

Answer

Maximum work is done.

Question 50

What role does friction play in calculating work done?

Accepted Answer

It opposes the applied force, affecting the net force and work done.

Answer

It only affects vertical motion.

Answer

It increases the total work done.

Answer

It has no effect on work done.

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