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Question 1
Question
All moving objects have..
Answer
-
Power
-
Kinetic Energy
-
Speed
Question 2
Question
KE = ½ mv2 calculates..
Answer
-
The Kinetic Energy
-
The change in Kinetic Energy
-
The loss of Kinetic Energy
Question 3
Question
Since kinetic energy is proportional to the speed squared, braking distances for vehicles are also proportional to the speed squared.
Answer
- True
- False
Question 4
Question
When a car stops, its kinetic energy changed into:
Answer
-
heat in the brakes
-
heat in the tyres
-
sound of the tyres dragging
-
friction
-
magnetic force
Question 5
Question
Work Done by brakes =
Answer
-
loss in kinetic energy
-
gain in kinetic energy
-
difference in kinetic energy
Question 6
Question
braking force x braking distance = loss in kinetic energy
Answer
- True
- False
Question 7
Question
What products do petrol and diesel make?
Answer
-
Sulfur dioxide
-
Carbon Dioxide
-
Carbon Monoxide
-
Carbon
-
Nitric Oxide
Question 8
Question
What products do petrol and diesel make?
Answer
-
Sulfur dioxide
-
Carbon Dioxide
-
Carbon Monoxide
-
Carbon
-
Nitric Oxide
Question 9
Question
What affects fuel consumption?
Answer
-
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
Question 10
Question
Vehicles can be streamlined to produce ______ air resistance when they move,
Answer
-
More
-
Less
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