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6. How do you work out a moment?
- Moment= Resultant force x mass
- Moment= Force divided by Perpendicular distance from the face to the pNot.
- Moment= Force x Perpendicular distance from the face to the pNot
- Moment= Mass x Weight
7. What force can rub things away?
- Contact forces
- Air Resistance
- Friciton
- Static
8. Structures are usually stronger if they are built out of what?
- Rectangels
- Stright Lines
- Triangels
- Squares
9. Nothing starts moving without a _____ being involved.
- Force
- Friction
- Push
- Weight
10. What do we weigh forces in?
- Grams (G)
- Newtons (N)
- Inches
- Centemeters (Cm)
11. What are the THREE thing that forces can change?
- Heat, Speed & Lenght
- Magnetism, Static & Up Thrust
- Speed, Shape & Size
- Weight & Lenght
12. what happens when a car is speeding up?
- The forces are more-or-less equal.
- The air resistance is larger than the engine force.
- The Engine force is larger than the air resistance.
- The forces are equal.
13. What is a form of electricity that can attract things?
- contact forces
- Weight
- Static
- Magnetism
14. Name THREE non-contact forces
- Weight, Up Thrust & Magnetism
- Gravity, Static & Magnetism
- Push, Pull & Friction
- Air Resistance & Up Thrust
15. What type of force needs something to touch it to be affect?
- Magnetism
- Static
- Contact Forces
- Friction
16. What do we use to measure forces?
- Newtonmeter
- A Clamp stand and a Ruler
- A Ruler
- A Weighing scales
17. A _____ is needed to start an object moving.
18. What happens if a car is moving at a steady speed?
- The forces are almost balanced, the engine power has a slightly force.
- The cars air resistance is huge!
- The forces are balanced. It does not move.
- The car's engine force is huge!
19. What is an "equal force" known as (when the forces are both the same)?
- non-movement
- Equal forces
- Reaction
- Balanced
20. what happens if the Up Thrust on a ball is higher than the Weight?
- The ball flies up.
- The ball rolls away.
- The ball stays where it is.
- The ball sinks.