Science Quiz Practice Set

Question 1

Motion

Answer 1

the change in position of an object with respect to its surroundings in a given interval of time.

Question 2

Scalar

Answer 2

physical quantity that is completely described by its magnitude

Question 3

Vector

Answer 3

an object that has both a magnitude and a direction

Question 4

Displacement

Answer 4

the change in position of an object

Question 5

Speed

Answer 5

The rate of change of position of an object in any direction

Question 6

Velocity

Answer 6

the speed at which something moves in a particular direction

Question 7

Acceleration

Answer 7

The rate of change of velocity with respect to time

Question 8

An object at rest stays at rest, and an object in motion stays in motion unless acted upon unbalanced force

Answer 8

Inertia (1st law)

Question 9

For every action, there is an equal and opposite reaction

Answer 9

Action reaction (3rd law)

Question 10

of an object is directly proportional to the net force acting on the object inversely proportional to its mass

Answer 10

Acceleration (2nd law)

Question 11

An object’s position changes along a single axis like a straight line, either horizontal or vertical.

Answer 11

1 Dimension

Question 12

An object moving within a plane along the X and Y axis at the same time, has a parabolic path

Answer 12

2 Dimensional

Question 13

The object undergoing motion

Answer 13

Projectile

Question 14

Path of a projectile

Answer 14

Trajectory

Question 15

The angle at which the projectile is launched relative to the horizontal.

Answer 15

Angle release/Launched angle

Question 16

The curved path that the projectile follows

Answer 16

Trajectory

Question 17

Highest vertical point reached by the projectile. The vertical velocity is equal to 0

Answer 17

Maximum height

Question 18

The horizontal distance traveled by the projectile from its launched point to where it lands

Answer 18

Range

Question 19

Horizontal and vertical component is independent of each other, Vx is always constant, acceleration is always equal to 0, Vy changes due to gravity

Answer 19

Non-angled Projectile motion (horizontal projectile motion)

Question 20

Projectile is launched at an angle greater than 0 degrees and less than 90 degrees, forms a symmetrical parabolic curve.

Answer 20

Angled Projectile motion

Question 21

Neglects Air resistance,
Constant horizontal velocity,
Acceleration = 0 (horizontally)
Horizontal distance = Range

Answer 21

Horizontal motion (Non-angled)

Question 22

Force acting upon this motion is the force of gravity,
Vertical velocity is not constant,
Vertical distance = height

Answer 22

Vertical motion

Question 23

Any object that continues in motion by its own inertia and is influenced only by the downward force of gravity and air resistance

Answer 23

Projectile

Question 24

An object in free fall and is only acted on by gravity

Answer 24

Vertical motion

Question 25

Force acting upon a projectile m?

Answer 25

Gravity

Question 26

Expressing the orientation of a projectile to be projected

Answer 26

Angle

Question 27

1. V x/y 2. tT & t 3. Vi x/y 4. θ 5. g 6. m/s 7. m 8. VR 9. Vf x/y 10. d x/y 11. a x/y

Answer 27

1. Velocity 2. Total time & time 3. Initial time horizontal/vertical 4. angle 5. Gravity (9.8m/s^2) 6. Meters per second (Velocity) 7. Meters (height) 8. Velocity Ratio 9. Final Velocity horizontal/vertical 10. Distance 11. Acceleration horizontal/vertical

Question 28

The angle between the initial velocity of an object from a horizontal plane through which the object is thrown

Answer 28

Angle of projection

Question 29

Time taken to reach the peak from the starting point down to the ending point.

Answer 29

Total time of flight

Question 30

Angle that results in the greatest range

Answer 30

45 degrees

Question 31

2 angles that add up to 90 degree are called?..

Answer 31

Complementary angles