Science

Question 1

Push or pull

Answer 1

Force

Question 2

Applied on a object through direct pushing or pulling

Answer 2

Applied force

Question 3

Force exerted by gravity; also known as weight; mass times gravity (gravity: -9.8m/s)

Answer 3

Gravitational force

Question 4

Perpendicular to the surface an object is in contact with: if there’s no surface in contact

Answer 4

Normal force

Question 5

Force present in springs

Answer 5

Elastic force

Question 6

Force present in cables, strings, cords

Answer 6

Tension force

Question 7

Force that impedes motion

Answer 7

Frictional force

Question 8

Tendency of a body to resist any change in its motion

Answer 8

Law of intertia

Question 9

Acceleration us directly proportional to the force and is inversely proportional to the mass

Answer 9

Law of acceleration

Question 10

For every action, there is an equal and opposite reaction

Answer 10

Law of interaction

Question 11

Any pull or push

Answer 11

Force

Question 12

As how far an object is form where it started

Answer 12

Displacement

Question 13

Product of force and displacement

Answer 13

Work

Question 14

W =work in

Answer 14

Joules (J)

Question 15

F=force in

Answer 15

N

Question 16

d = displacement in

Answer 16

m

Question 17

Rate of doing work ( P = W/d)

Answer 17

Power

Question 18

P = power in

Answer 18

Watts (w)

Question 19

W =work in

Answer 19

J

Question 20

t = time in

Answer 20

s

Question 21

Ability to do work

Answer 21

Energy

Question 22

Energy possessed by an object by virtue of its position (PE = mgh)

Answer 22

Potential energy

Question 23

PE = Potential energy in

Answer 23

J

Question 24

m = mass in

Answer 24

Kg

Question 25

g = gravity

Answer 25

( -9.8m/s)

Question 26

h = height in

Answer 26

M

Question 27

Energy present in moving objects. (1/2mv^2)

Answer 27

Kinetic energy

Question 28

KE = kinetic energy in

Answer 28

J

Question 29

m = mass in

Answer 29

Kg

Question 30

v = speed in meter per second

Answer 30

(m/s)

Question 31

Is produced by vibration. It requires a medium to be transmitted.

Answer 31

Sound

Question 32

Part of wave where molecules are compressed

Answer 32

Compression

Question 33

Part of wave where molecules are spread out

Answer 33

Rarefraction

Question 34

Form of disturbance that carries energy from one place to another

Answer 34

Wave

Question 35

Requires a medium for transmission

Answer 35

Mechanical wave

Question 36

Doesn’t require any medium for transmission

Answer 36

Electromagnetic wave

Question 37

Perpendicular to the direction

Answer 37

Transverse

Question 38

Parallel to the direction

Answer 38

Longitudinal

Question 39

Travels in a circular motion

Answer 39

Surface