Topic 1 and 2 Test

Question 1

Speed

Answer 1

Change in Distance over time taken.

Question 2

Displacement

Answer 2

Interval between two locations measured along their shortest path.

Question 3

Velocity

Answer 3

Change in Displacement over the time taken

Question 4

Acceleration

Answer 4

Change in Velocity over the time taken

Question 5

Average Velocity

Answer 5

Average of all Instantaneous Velocities.

Question 6

Instantaneous Velocity

Answer 6

Velocity at any given time

Question 7

Newtons 1 Law

Answer 7

Obejct will stay at rest or in motion unless acted upon an unbalanced/external force

Question 8

Newtons 2 Law

Answer 8

change of momentum is directly proportional to the unbalanced force acting on that body, in the same direction.

Question 9

Newtons 3 law

Answer 9

Every action has an equal and opposite reaction.

Question 10

Conservation of Linear Momentum

Answer 10

With a closed system, the total momentum in any directions remains constant.

Question 11

Impulse

Answer 11

Change in Momentum

Question 12

Elastic Collision

Answer 12

When momentum and kinetic energy are conserved

Question 13

Inelastic Collision

Answer 13

When Momentum is conserved, but kinetic energy is not.

Question 14

Conservation of Energy

Answer 14

Energy can not be created or destroyed, but it can be changed form one type to another.

Question 15

Work Done

Answer 15

Force multiplied by distance in the direction of the force.

Question 16

Joule

Answer 16

One joule is the energy converted by a force of one Newton to move on metre.

Question 17

Power

Answer 17

Rate of Work Done

Question 18

Watt

Answer 18

The Unit in which Power is measured in

Question 19

Newton

Answer 19

The unit in which Force and Weight is measured in.

Question 20

Static Friction

Answer 20

Not moving

Question 21

Dynamic Friction

Answer 21

Moving

Question 22

Pressure

Answer 22

Force over Area

Question 23

Pascal

Answer 23

The Unit in which Pressure is measured in.

Question 24

Effiency

Answer 24

The useful energy out over the total energy in multiplied by a hundred.

Question 25

Resultant Force

Answer 25

The sum of all the forces acting on an object

Question 26

Momentum

Answer 26

The quantity of motion that an object has