AQA GCSE Physics Unit 2.2

Matthew T
Quiz by , created about 5 years ago

Twenty questions on the second section of Unit 2 in AQA GCSE Physics: Forces.

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Matthew T
Created by Matthew T about 5 years ago
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Question 1

Question
What can a force do?
Answer
  • Change the shape of an object
  • Make an object disappear
  • Change an object's state of rest or motion
  • Create energy

Question 2

Question
What is the unit of force?
Answer
  • Pascal, Pa
  • Newton, N
  • Siemens, S
  • Becquerel, Bq

Question 3

Question
True or false? Every force has an equal and opposite force.
Answer
  • True
  • False

Question 4

Question
True or false? The resultant force is the product of all forces acting upon an object.
Answer
  • True
  • False

Question 5

Question
Which of these situations could occur if the resultant force was zero?
Answer
  • The object would remain stationary
  • The object would accelerate
  • The object would decelerate
  • The object would move at constant speed

Question 6

Question
Which of these situations could occur if the resultant force was not zero?
Answer
  • The object would remain stationary
  • The object would accelerate
  • The object would decelerate
  • The object would move at constant speed

Question 7

Question
How many laws of motion did Newton create?
Answer
  • One
  • Two
  • Three

Question 8

Question
True or false? Force, mass and acceleration are linked by the equation F = ma.
Answer
  • True
  • False

Question 9

Question
What could you do to increase the acceleration of an object?
Answer
  • Increase the force
  • Decrease the force
  • Increase the mass
  • Decrease the mass

Question 10

Question
True or false? The thinking distance is the sum of the stopping distance and the braking distance.
Answer
  • True
  • False

Question 11

Question
Which factors increase thinking distance?
Answer
  • Adverse road conditions
  • Tiredness
  • Speed
  • Poorly maintained vehicle
  • Influence of alcohol or drugs

Question 12

Question
Which factors increase braking distance?
Answer
  • Adverse road conditions
  • Tiredness
  • Speed
  • Poorly maintained vehicle
  • Influence of alcohol or drugs

Question 13

Question
True or false? The gravitational field strength on Earth is roughly 100N/kg.
Answer
  • True
  • False

Question 14

Question
What force is exerted on objects falling in a fluid?
Answer
  • Fluid force
  • Friction
  • Drag force

Question 15

Question
What is the terminal velocity of an object?
Answer
  • The speed of an object just before it lands on the ground
  • The speed of an object which is guaranteed to damage it or kill it (if it is alive)
  • The speed of an object at which weight and drag force are balanced

Question 16

Question
True or false? An elastic object stays permanently deformed, even when the forces deforming it are removed.
Answer
  • True
  • False

Question 17

Question
True or false? Hooke's law states that the extension of a spring is directly proportional to the force applied, providing that the limit of proportionality is not exceeded.
Answer
  • True
  • False

Question 18

Question
What does k stand for in F = ke?
Answer
  • Force applied, N
  • Extension, m
  • Spring constant, N/m

Question 19

Question
True or false? Using a wind deflector increases the amount of fuel needed.
Answer
  • True
  • False

Question 20

Question
True or false? Speed cameras measure the time it takes for a car to travel over a set distance and then the speed is calculated.
Answer
  • True
  • False