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6. If the resultant force acting on a stationary body is zero, what happens to the body?
- Remains stationary
- Travel at a constant speed
- Accelerates
- Deccelerates
7. If the resultant force acting on a stationary body is not zero, what happens to the body?
- Deccelerates
- Travels at a constant speed
- Accelerates
- Remains stationary
8. Resultant force =
- Mass / Acceleration
- Distance travelled X Mass
- Distance travelled X Acceleration
- Acceleration X Mass
- Acceleration / Mass
9. When a vehicle is travelling at a constant speed, what happens to the friction forces and driving force?
- Frictional force increases
- Frictional force decreases
- Driving force doubles
- Driving force halves
- They balance out
10. The stopping distance of a vehicle depends on; the distance the vehicle travels during the drivers reaction time.
11. The stopping distance of a vehicle depends on; the distance the vehicle travels under braking force.
12. The stopping distance of a vehicle depends on; the driver being drunk/tired/drugged
13. Breaking distance is affected by?
- Bad weather or vehicle conditions
- Tiredness/drug use by driver
14. What happens when a body moves through a fluid?
- The resultant force decreases
- The resultant force increases
- The frictional force decresases
- The frictional force increases
15. What will initialy happen to a body falling through fluid due to the force of gravity?
- The forces will balance
- It will deccellerate
- It will accelerate
- Remain at a constant speed
16. Eventually the resultant force on the body will be zero and it will fall..
- Increasingly slower
- At it
- Increasingly faster
17. How to calculate the weight of a body;
- Mass / velocity
- Mass / gravitational field strenght
- Mass X gravitational field strength
- Velocity / mass
- Mass X velocity