My Bike

Question 1

Acceleration

Answer 1

Change in velocity / time

Question 2

Attract

Answer 2

Cause to come to a place or participate

Question 3

Balanced forces

Answer 3

Forces that are equal in size but opposite in direction are called balanced forces. Balanced forces do not cause a change in the motion of objects.

Question 4

Deceleration

Answer 4

To reduce the speed of

Question 5

Distance

Answer 5

The length of the space between two points.

Question 6

Energy

Answer 6

The strength and vitality required for sustained physical or mental activity

Question 7

Electrostatic force

Answer 7

The forces between particles that are caused by their electric charges

Question 8

Force

Answer 8

Strength or energy as an attribute of physical action or movement

Question 9

Force diagram

Answer 9

A force diagram is simply a diagram showing all the forces acting on an object, the force’s direction and its magnitude

Question 10

Force field

Answer 10

An invisible barrier of force

Question 11

Friction force

Answer 11

The friction force is the force exerted by a surface as an object moves across it or makes an effort to move across it

Question 12

Gradient

Answer 12

An increase or decrease in the magnitude of a property

Question 13

Gravity

Answer 13

The force that attracts a body towards the centre of the earth, or towards any other physical body having mass

Question 14

Lubricant

Answer 14

A substance, as oil or grease, for lessening friction, especially in the working parts of a mechanism

Question 15

Magnetism

Answer 15

A physical phenomenon produced by the motion of electric charge, which results in attractive and repulsive forces between objects

Question 16

Mass

Answer 16

A body of coherent matter, usually of indefinite shape and often of considerable size

Question 17

Newton

Answer 17

The standard unit of force in the International System of Units (SI), equal to the force that produces an acceleration of one meter per second per second on a mass of one kilogram

Question 18

North pole

Answer 18

Either of two variable points on the earth’s surface towards which a magnetic needle points, where the lines of force of the earth’s magnetic field are vertical

Question 19

Reaction time

Answer 19

The interval between the presentation of a stimulus and the responsive reaction to it

Question 20

Repel

Answer 20

Drive or force (an attack or attacker) back or away

Question 21

S.I. units

Answer 21

International system of Units, meter for length, kilogram for mass, second for time, ampere for electric current

Question 22

South pole

Answer 22

For most purposes, the Geographic South Pole is defined as the southern point of the two points where the Earth’s axis of rotation intersects its surface

Question 23

Speed

Answer 23

The rate at which someone or something moves or operates or is able to move or operate

Question 24

Ticket timer

Answer 24

The ticker timer makes dots on a paper tape every fiftieth of a second

Question 25

Time

Answer 25

The thing that is measured as seconds, minutes, hours, days, years, etc.

Question 26

Unbalanced force

Answer 26

Unbalanced forces are forces that cause a change in the motion of an object

Question 27

Velocity

Answer 27

The speed of something in a given direction