Which of the following are**units of mass**? [7k-1]- kg
- N
- g/cm
^{3} - cm
^{3}

Which of the following are**units of weight**? [7k-2]- kg
- N
- g/cm
^{3} - cm
^{3}

Which of the following are**units of density**? [7k-3]- kg
- N
- g/cm
^{3} - cm
^{3}

Which of the following are**units of volume**? [7k-4]- kg
- N
- g/cm
^{3} - cm
^{3}

Which of the following are**units of mass**? [7k-5]- kilogram
- newton
- grams per centimetre cubed
- centimetre cubed

Which of the following are**units of weight**? [7k-6]- kilogram
- newton
- grams per centimetre cubed
- centimetre cubed

Which of the following are**units of density**? [7k-7]- kilogram
- newton
- grams per centimetre cubed
- centimetre cubed

Which of the following are**units of volume**? [7k-8]- kilogram
- newton
- grams per centimetre cubed
- centimetre cubed

Which of the following are**units of force**? [7k-9]- N
- m/s
- kg
- cm
^{3}

Which of the following are**units of speed**? [7k-10]- N
- m/s
- kg
- cm
^{3}

Which of the following are**units of force**? [7k-11]- kilogram
- centimetre cubed
- newton
- metres per second

Which of the following are**units of speed**? [7k-12]- kilogram
- centimetre cubed
- newton
- metres per second

- Which word means
**an upward force acting on an object in a fluid (gas or liquid)**? [7k-13]- upthrust
- gravity
- friction
- weight

- Which word means
**the force of attraction between any two objects**? [7k-14]- upthrust
- gravity
- friction
- weight

- Which word means the
**force preventing two materials or objects in contact passing each other**? [7k-15]- upthrust
- gravity
- friction
- weight

- Which word means
**the force of gravity on an object**? [7k-16]- upthrust
- pressure
- friction
- weight

- The diagram shows the four forces involved and their direction of 'action' as a person is swimming through water. Which of the four forces corresponds to
**friction**? [7k-17]- force
**F1** - force
**F2** - force
**F3** - force
**F4**

- force
- The diagram shows the four forces involved and their direction of 'action' as a person is swimming through water. Which of the four forces corresponds to
**gravity**? [7k-18]- force
**F1** - force
**F2** - force
**F3** - force
**F4**

- force
- The diagram shows the four forces involved and their direction of 'action' as a person is swimming through water. Which of the four forces corresponds to the '
**driving**'**force**? [7k-19]- force
**F1** - force
**F2** - force
**F3** - force
**F4**

- force
- The diagram shows the four forces involved and their direction of 'action' as a person is swimming through water. Which of the four forces corresponds to the
**upthrust**? [7k-20]- force
**F1** - force
**F2** - force
**F3** - force
**F4**

- force
- Which of the following is
**a 'force'**? [7k-21]- friction
- electricity
- kinetic
- light

- Which of the following is
**a 'force'**? [7k-22]- heat
- magnetism
- kinetic
- light

- Which of the following is
**a 'force'**? [7k-23]- heat
- electricity
- gravity
- light

- Which of the following is
**a 'force'**? [7k-24]- heat
- electricity
- kinetic
- buoyancy

- Calculate the
**block volume if L = 2 cm, B = 3 cm and H = 4 cm**. [7k-25]- 24 cm
^{3} - 12 cm
^{3} - 36 cm
^{3} - 9 cm
^{3}

- 24 cm
- Calculate the
**block volume if L = 15 cm, B = 2 cm and H = 4 cm**. [7k-26]- 60 cm
^{3} - 120 cm
^{3} - 90 cm
^{3} - 240 cm
^{3}

- 60 cm
- Calculate the
**block volume if L = 4 cm, B = 2 cm and H = 7 cm**. [7k-27]- 112 cm
^{3} - 28 cm
^{3} - 56 cm
^{3} - 42 cm
^{3}

- 112 cm
- Calculate the
**block volume if L = 3 cm, B = 6 cm and H = 2 cm**. [7k-28]- 15 cm
^{3} - 18 cm
^{3} - 54 cm
^{3} - 36 cm
^{3}

- 15 cm
- Which of the following is
**a 'force'**? [7k-29]- air resistance
- electricity
- kinetic
- light

- You are given the following masses and volumes for various blocks of materials. The mass of 1 cm
^{3}of water is 1 g. From them choose**which one will sink in water**? [7k-30]- material W: mass = 8 g, volume = 10 cm
^{3} - material X: mass = 30 g, volume = 20 cm
^{3} - material Y: mass = 27 g, volume = 30 cm
^{3} - material Z: mass = 20 g, volume = 40 cm
^{3}

- material W: mass = 8 g, volume = 10 cm
- You are given the following masses and volumes for various blocks of materials. The mass of 1 cm
^{3}of water is 1 g. From them choose**which one will float on water**? [7k-31]- material W: mass = 12 g, volume = 10 cm
^{3} - material X: mass = 22 g, volume = 20 cm
^{3} - material Y: mass = 27 g, volume = 30 cm
^{3} - material Z: mass = 20 g, volume = 19 cm
^{3}

- material W: mass = 12 g, volume = 10 cm
- You are given the following masses and volumes for various blocks of materials. The mass of 1 cm
^{3}of water is 1 g. From them choose**which one will float on water**? [7k-32]- material W: mass = 12 g, volume = 10 cm
^{3} - material X: mass = 22 g, volume = 20 cm
^{3} - material Y: mass = 30 g, volume = 28 cm
^{3} - material Z: mass = 12 g, volume = 13 cm
^{3}

- material W: mass = 12 g, volume = 10 cm
- You are given the following masses and volumes for various blocks of materials. The mass of 1 cm
^{3}of water is 1 g. From them choose**which one will sink in water**? [7k-33]- material W: mass = 15 g, volume = 10 cm
^{3} - material X: mass = 10 g, volume = 20 cm
^{3} - material Y: mass = 27 g, volume = 30 cm
^{3} - material Z: mass = 20 g, volume = 40 cm
^{3}

- material W: mass = 15 g, volume = 10 cm
- You are given the following masses and volumes for various blocks of materials. From them choose
**which one has a density of 0.5 g/cm**? [7k-34]^{3}- material W: mass = 8 g, volume = 8 cm
^{3} - material X: mass = 8 g, volume = 16 cm
^{3} - material Y: mass = 12 g, volume = 8 cm
^{3} - material Z: mass = 16 g, volume = 8 cm
^{3}

- material W: mass = 8 g, volume = 8 cm
- You are given the following masses and volumes for various blocks of materials. From them choose
**which one has a density of 1.5 g/cm**? [7k-35]^{3}- material W: mass = 8 g, volume = 8 cm
^{3} - material X: mass = 8 g, volume = 16 cm
^{3} - material Y: mass = 12 g, volume = 8 cm
^{3} - material Z: mass = 16 g, volume = 8 cm
^{3}

- material W: mass = 8 g, volume = 8 cm
- You are given the following masses and volumes for various blocks of materials. From them choose
**which one has a density of 2 g/cm**? [7k-36]^{3}- material W: mass = 8 g, volume = 8 cm
^{3} - material X: mass = 8 g, volume = 16 cm
^{3} - material Y: mass = 12 g, volume = 8 cm
^{3} - material Z: mass = 16 g, volume = 8 cm
^{3}

- material W: mass = 8 g, volume = 8 cm
- The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up!
**Which corresponds to friction and air resistance**? [7k-37]- force
**F1** - force
**F2** - force
**F3** - force
**F4**

- force
- The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up!
**Which corresponds to the effect of gravity**? [7k-38]- force
**F1** - force
**F2** - force
**F3** - force
**F4**

- force
- The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up!
**Which corresponds to the pedalling of the cyclist**? [7k-39]- force
**F1** - force
**F2** - force
**F3** - force
**F4**

- force
- The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up!
**Which corresponds to the force produced by compression**? [7k-40]- force
**F1** - force
**F2** - force
**F3** - force
**F4**

- force
- The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up!
**Which must be TRUE to get constant speed**? [7k-41]- force F1 is equal to F3
- force F1 is bigger than F3
- force F3 is bigger than F1
- force F2 is equal to F4

- The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up!
**Which must be TRUE to get the speed reduced**? [7k-42]- force F1 is equal to F3
- force F1 is bigger than F3
- force F3 is bigger than F1
- force F2 is equal to F4

- The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up!
**Which must be TRUE to get a 'speeding up'**? [7k-43]- force F1 is equal to F3
- force F1 is bigger than F3
- force F3 is bigger than F1
- force F2 is equal to F4

- The diagram on the left summarises the forces acting on a cyclist. The one on the right is trying to catch up!
**Which must be TRUE when the brakes are applied effectively**? [7k-44]- force F2 is equal to F4
- force F2 is bigger than F3
- force F1 is bigger than F2
- force F1 is greater than F3

- A student carried out an experiment by putting weights on the end of a spring. After each weight was added, the length of the spring was carefully measured.
**The results are summarised below**.**Weight added to spring (N)**2 4 6 8 10 **Length of spring (cm)**23 27 31 35 39 From the data,

**what is the spring extension per N weight added**? [7k-45]- 2 cm
- 1 cm
- 3 cm
- 4 cm

- A student carried out an experiment by putting weights on the end of a spring. After each weight was added, the length of the spring was carefully measured.
**The results are summarised below**.**Weight added to spring (N)**2 4 6 8 10 **Length of spring (cm)**23 27 31 35 39 From the data,

**what would be the spring length with a weight of 7N on**? [7k-46]- 32 cm
- 33 cm
- 34 cm
- 30 cm

- A student carried out an experiment by putting weights on the end of a spring. After each weight was added, the length of the spring was carefully measured.
**The results are summarised below**.**Weight added to spring (N)**2 4 6 8 10 **Length of spring (cm)**23 27 31 35 39 From the data,

**what is the real length of the spring with no weight on**? [7k-47]- 20 cm
- 21 cm
- 19 cm
- 22 cm

- A student carried out an experiment by putting weights on the end of a spring. After each weight was added, the length of the spring was carefully measured.
**The results are summarised below**.**Weight added to spring (N)**2 4 6 8 10 **Length of spring (cm)**23 27 31 35 39 From the data,

**what would be the spring length with a weight of 15N on**? [7k-48]- 47 cm
- 51 cm
- 53 cm
- 49 cm