943280
Pregunta 1
Pregunta
All moving objects have..
Respuesta
-
Power
-
Kinetic Energy
-
Speed
Pregunta 2
Pregunta
KE = ½ mv2 calculates..
Respuesta
-
The Kinetic Energy
-
The change in Kinetic Energy
-
The loss of Kinetic Energy
Pregunta 3
Pregunta
Since kinetic energy is proportional to the speed squared, braking distances for vehicles are also proportional to the speed squared.
Respuesta
- True
- False
Pregunta 4
Pregunta
When a car stops, its kinetic energy changed into:
Respuesta
-
heat in the brakes
-
heat in the tyres
-
sound of the tyres dragging
-
friction
-
magnetic force
Pregunta 5
Pregunta
Work Done by brakes =
Respuesta
-
loss in kinetic energy
-
gain in kinetic energy
-
difference in kinetic energy
Pregunta 6
Pregunta
braking force x braking distance = loss in kinetic energy
Respuesta
- True
- False
Pregunta 7
Pregunta
What products do petrol and diesel make?
Respuesta
-
Sulfur dioxide
-
Carbon Dioxide
-
Carbon Monoxide
-
Carbon
-
Nitric Oxide
Pregunta 8
Pregunta
What products do petrol and diesel make?
Respuesta
-
Sulfur dioxide
-
Carbon Dioxide
-
Carbon Monoxide
-
Carbon
-
Nitric Oxide
Pregunta 9
Pregunta
What affects fuel consumption?
Respuesta
-
Speed
-
the amount of energy required for it do work against friction
-
The amount of people in the car
-
How long the journey is
-
Road Conditions
Pregunta 10
Pregunta
Vehicles can be streamlined to produce ______ air resistance when they move,
Respuesta
-
More
-
Less
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.