Motion

Question 1

Average Cycling Speed

Answer 1

6 m/s

Question 2

Average Plane Speed

Answer 2

900 km/h

Question 3

Average Running Speed

Answer 3

3.0 m/s

Question 4

Average Train Speed

Answer 4

100 km/h

Question 5

Average Walking Speed

Answer 5

1.5 m/s

Question 6

Conservation of Momentum

Answer 6

in a closed system, the total momentum before an event is equal to the total momentum after the event

Question 7

Crumple Zone

Answer 7

part of a car that increases the impact time reducing the impact force

Question 8

Displacement

Answer 8

includes both the distance an object moves, measured in a straight line form the start point to the finish line, and the direction of that straight line, a vector quality

Question 9

Distance

Answer 9

a scalar quantity that describes how far an object moves

Question 10

Earth’s Gravitational Field Strength

Answer 10

9.8 N/kg

Question 11

Inertia

Answer 11

a tendency of an object to remain unchanged or continue in an existing state

Question 12

Newton’s First Law

Answer 12

states that if forces are balanced on an object, it either does nothing or continues to do what it’s doing

Question 13

Newton’s Second Law

Answer 13

states that if you increase forces, something goes faster

Question 14

Newton’s Third Law

Answer 14

states that all forces have an equal and opposite force

Question 15

Reaction Time

Answer 15

0.2-0.9 seconds

Question 16

Speed

Answer 16

how fast something is going

Question 17

Tachograph

Answer 17

device in a long-distance vehicle that monitors driving time, speed and distance

Question 18

Terminal Velocity

Answer 18

acceleration by a falling object acted on only by gravity

Question 19

Van de Graaf

Answer 19

generator that uses an electric belt to accumulate charge

Question 20

Velocity

Answer 20

speed and direction