2333229
Beschreibung
Quiz von Rachel_ellen, aktualisiert more than 1 year ago
|
Erstellt von Rachel_ellen
vor fast 10 Jahre
|
|
Frage 1
Frage
What is the equation for speed?
Antworten
-
time / distance
-
change in speed / time taken
-
time x distance
-
distance / time
Frage 2
Frage
A steeper slope means a slower speed
Antworten
- True
- False
Frage 3
Frage
What is acceleration?
Antworten
-
speed of an object in a certain direction
-
the change in speed per second
-
the time taken for a change in speed
-
frictional force that acts on a moving object
Frage 4
Frage
What are forces measured in?
Antworten
-
Newtons (N)
-
Kilograms (kg)
-
Watts (W)
-
Joules (J)
Frage 5
Frage
How can thinking distance be increased?
Antworten
-
icy/wet road conditions
-
tiredness
-
worn brakes or tyres
-
mass of vehicle
Frage 6
Frage
What is the equation for stopping distance?
Antworten
-
thinking distance x braking distance
-
thinking distance + braking distance
-
braking distance / stopping distance x100
-
stopping distance - thinking distance
Frage 7
Frage
Work is done whenever a force moves an object
Antworten
- True
- False
Frage 8
Frage
What is power measured in?
Antworten
-
Joules ( J )
-
Watts (W)
-
Newtons ( N )
-
Kilograms ( kg )
Frage 9
Frage
What is kinetic energy?
Antworten
-
energy when you stand still
-
energy an object has because of its movement
-
increased speed of an object
-
a force of attraction between masses
Frage 10
Frage
Cars with a greater kinetic energy will have a lower braking distance
Antworten
- True
- False
Frage 11
Frage
What do seatbelts do?
Antworten
-
cushion the impact for the driver and passengers
-
absorb energy and break to avoid the driver being impaled during an accident
-
prevent people in the car from being propelled forwards
-
be a part of the car designed to crumple up during a collision
Frage 12
Frage
What do air bags do?
Antworten
-
cushion the impact for the driver and passengers
-
absorb energy and break to avoid the driver being impaled during an accident
-
prevent people in the car from being propelled forwards
-
be the part of the car designed to crumple up during a collision
Frage 13
Frage
What do crumple zones do?
Antworten
-
cushion the impact for the drivers and passengers
-
absorb energy and break to avoid the driver being impaled during an accident
-
prevent people in the car from being propelled forwards
-
be the part of the car designed to crumple up during a collision
Frage 14
Frage
What is the equation for momentum?
Antworten
-
mass x acceleration
-
mass x velocity
-
force / time taken
-
mass / acceleration
Frage 15
Frage
At higher speeds, falling objects experience more drag
Antworten
- True
- False
Frage 16
Frage
When a skydiver jumps out of an aeroplane, what does he initially do?
Antworten
-
deaccelerate due to air resistance
-
accelerate due to the force of gravity
-
accelerate due to air resistance
-
deaccelerate due to the force of gravity
Frage 17
Frage
What is the height of a 160g cricket ball if it has 30J of gravitational potential energy?
Antworten
-
18.75m
-
18m
-
10.46m
-
5.3m
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.