P3 mini quiz

Descripción

GCSE (Physics) Science Test sobre P3 mini quiz, creado por Rachel_ellen el 21/03/2015.
Rachel_ellen
Test por Rachel_ellen, actualizado hace más de 1 año
Rachel_ellen
Creado por Rachel_ellen hace casi 10 años
38
6

Resumen del Recurso

Pregunta 1

Pregunta
What is the equation for speed?
Respuesta
  • time / distance
  • change in speed / time taken
  • time x distance
  • distance / time

Pregunta 2

Pregunta
A steeper slope means a slower speed
Respuesta
  • True
  • False

Pregunta 3

Pregunta
What is acceleration?
Respuesta
  • 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

Pregunta 4

Pregunta
What are forces measured in?
Respuesta
  • Newtons (N)
  • Kilograms (kg)
  • Watts (W)
  • Joules (J)

Pregunta 5

Pregunta
How can thinking distance be increased?
Respuesta
  • icy/wet road conditions
  • tiredness
  • worn brakes or tyres
  • mass of vehicle

Pregunta 6

Pregunta
What is the equation for stopping distance?
Respuesta
  • thinking distance x braking distance
  • thinking distance + braking distance
  • braking distance / stopping distance x100
  • stopping distance - thinking distance

Pregunta 7

Pregunta
Work is done whenever a force moves an object
Respuesta
  • True
  • False

Pregunta 8

Pregunta
What is power measured in?
Respuesta
  • Joules ( J )
  • Watts (W)
  • Newtons ( N )
  • Kilograms ( kg )

Pregunta 9

Pregunta
What is kinetic energy?
Respuesta
  • energy when you stand still
  • energy an object has because of its movement
  • increased speed of an object
  • a force of attraction between masses

Pregunta 10

Pregunta
Cars with a greater kinetic energy will have a lower braking distance
Respuesta
  • True
  • False

Pregunta 11

Pregunta
What do seatbelts do?
Respuesta
  • 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

Pregunta 12

Pregunta
What do air bags do?
Respuesta
  • 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

Pregunta 13

Pregunta
What do crumple zones do?
Respuesta
  • 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

Pregunta 14

Pregunta
What is the equation for momentum?
Respuesta
  • mass x acceleration
  • mass x velocity
  • force / time taken
  • mass / acceleration

Pregunta 15

Pregunta
At higher speeds, falling objects experience more drag
Respuesta
  • True
  • False

Pregunta 16

Pregunta
When a skydiver jumps out of an aeroplane, what does he initially do?
Respuesta
  • deaccelerate due to air resistance
  • accelerate due to the force of gravity
  • accelerate due to air resistance
  • deaccelerate due to the force of gravity

Pregunta 17

Pregunta
What is the height of a 160g cricket ball if it has 30J of gravitational potential energy?
Respuesta
  • 18.75m
  • 18m
  • 10.46m
  • 5.3m
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