Speed and acceleration
Stopping Distance
Graphs
Forces
Newtons Laws
100
A person walkes 500 metres in 80 seconds What is their speed.
6.25 m/s
100
Name a 3 things that affects Thinking distance
Tiredness
Distractions
Alcohol
Drugs
Speed
100
In which section is the object travelling the fastest
3
100
A= Air resistance
B=Drag
100
Describe the motion of this car
Constant speed
200
A car travelling at 5 m/s accelerates to 30 m/s in 5 seconds. What is their acceleration
5
200
Name 3 things that affects Braking distance
Worn tyres
worn brakes
Wet or icy roads
more passengers or luggage (mass)
Speed
200
What is the speed of the car between 25 and 30 sec
4 m/s
200
What is the resultant force
100N
200
Which Formula is linked to Newtons Second law
F=ma
300
What is the unit of acceleration
m/s2
300
What is the thinking time of the driver
2 seconds
300
How is the object travelling in section B
Constant speed
300
What is the Cyclists motion
Acceleration
300
The cyclist has a mass of 50 kg what is his acceleration
2m/s2
400
A car has an acceleration of 6m/s2 how long does it take to speed up from 10 m/s to 34 m/s
4 seconds
400
What is the braking distance of the car
12 m
400
Describe the forces on the object during section C.
Balanced/equal
400
Which of these Quantities is a Scalar
Weight
Velocity
Acceleration
Speed
Speed
400
What is the acceleration of the car
0.5 m/s2
500
What is the value of acceleration due to gravity
10 m/s2
500
How do you calculate Stopping distance (formula)
Thinking Distance + Braking distance
500
How far does car travel between 30 and 50 s
250 m
500
What is the Weight of a 100 kg mass on earth and what is its unit
1000 N
500
How do we know these are action reaction forces
Act on two objects