Choose the correct answer for each question.

1. Which one of these is not a type of force?

   1.   ?    friction
   2.   ?    weight
   3.   ?    air resistance
   4.   ?    upthrust
   5.   ?    mass

2. What unit is force measured in?
   

   1.   ?    joules
   2.   ?    watts
   3.   ?    metres
   4.   ?    newtons
   5.   ?    pascals

3. When two forces act against each other and they are not the same size they are:

   1.   ?    unbalanced
   2.   ?    stable
   3.   ?    balanced
   4.   ?    moments
   5.   ?    not moving

4. If a falling parachutist weighs 600N and the air resistance she experiences is 400N, the resultant force on her is?

   1.   ?    200N Downwards
   2.   ?    400N Downwards
   3.   ?    400N Upwards
   4.   ?    500N Downwards
   5.   ?    200N Upwards

5. The weight of an apple is about?

   1.   ?    10N
   2.   ?    1N
   3.   ?    20N
   4.   ?    1kg
   5.   ?    100N

6. What unit is weight measured in?

   1.   ?    joules
   2.   ?    newtons
   3.   ?    watts
   4.   ?    kilograms
   5.   ?    metres

7. Katie drives her car 200 kilometres in 4 hours. What is her speed?

   1.   ?    50 km/h
   2.   ?    800 km/h
   3.   ?    800 m/s
   4.   ?    0.2 km/h
   5.   ?    500 km/h

8. Ravi and his friends walked at a speed of 4 km/h for 90 minutes. How far did he travel in total?
   
   

   1.   ?    2.25 km
   2.   ?    4 km
   3.   ?    6 km
   4.   ?    8 km
   5.   ?    360 km

9. What units are moments measured in?

   1.   ?    J
   2.   ?    N
   3.   ?    Nm
   4.   ?    M
   5.   ?    W

10. If Sophie puts 10N of force on a spanner that is 0.5m long. The moment of force in this example is:

    1.   ?    50 Nm
    2.   ?    5 Nm
    3.   ?    0.5Nm
    4.   ?    20N
    5.   ?    200N