Quiz
AQA GCSE Physics Unit 2.2
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Perguntas do quiz (20)
1What can a force do?
- AChange the shape of an object
- BMake an object disappear
- CChange an object's state of rest or motion
- DCreate energy
2What is the unit of force?
- APascal, Pa
- BNewton, N
- CSiemens, S
- DBecquerel, Bq
3True or false? Every force has an equal and opposite force.
- AVerdadeiro
- BFalso
4True or false? The resultant force is the product of all forces acting upon an object.
- AVerdadeiro
- BFalso
5Which of these situations could occur if the resultant force was zero?
- AThe object would remain stationary
- BThe object would accelerate
- CThe object would decelerate
- DThe object would move at constant speed
6Which of these situations could occur if the resultant force was not zero?
- AThe object would remain stationary
- BThe object would accelerate
- CThe object would decelerate
- DThe object would move at constant speed
7How many laws of motion did Newton create?
- AOne
- BTwo
- CThree
8True or false? Force, mass and acceleration are linked by the equation F = ma.
- AVerdadeiro
- BFalso
9What could you do to increase the acceleration of an object?
- AIncrease the force
- BDecrease the force
- CIncrease the mass
- DDecrease the mass
10True or false? The thinking distance is the sum of the stopping distance and the braking distance.
- AVerdadeiro
- BFalso
11Which factors increase thinking distance?
- AAdverse road conditions
- BTiredness
- CSpeed
- DPoorly maintained vehicle
- EInfluence of alcohol or drugs
12Which factors increase braking distance?
- AAdverse road conditions
- BTiredness
- CSpeed
- DPoorly maintained vehicle
- EInfluence of alcohol or drugs
13True or false? The gravitational field strength on Earth is roughly 100N/kg.
- AVerdadeiro
- BFalso
14What force is exerted on objects falling in a fluid?
- AFluid force
- BFriction
- CDrag force
15What is the terminal velocity of an object?
- AThe speed of an object just before it lands on the ground
- BThe speed of an object which is guaranteed to damage it or kill it (if it is alive)
- CThe speed of an object at which weight and drag force are balanced
16True or false? An elastic object stays permanently deformed, even when the forces deforming it are removed.
- AVerdadeiro
- BFalso
17True 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.
- AVerdadeiro
- BFalso
18What does k stand for in F = ke?
- AForce applied, N
- BExtension, m
- CSpring constant, N/m
19True or false? Using a wind deflector increases the amount of fuel needed.
- AVerdadeiro
- BFalso
20True or false? Speed cameras measure the time it takes for a car to travel over a set distance and then the speed is calculated.
- AVerdadeiro
- BFalso
Informações
- Descrição
- Twenty questions on the second section of Unit 2 in AQA GCSE Physics: Forces.
- Autor
- Usuário eliminado
- Idioma
- English
- Visualizações
- 43
- Histórico
- Criado em 27 set 2016 · atualizado em 17 dez 2016
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