Terminal velocity (including graphical representation)

12 questions

1. Which of the following forces acts on all objects near Earth surface?
2. An aeroplane produces a horizontal forwards thrust of 3200 N and a drag force of 2400 N opposes the movement.What is the size of the resultant horizontal force acting on the aeroplane?
3. Which of the following is a statement of Newton’s Second Law of motion, using standard symbols?
4. Five cars, A, B, C, D and E, travel along a straight road. There are three forces acting on each car, the values of which are listed below.Which of the cars are not accelerating?
5. What sized resultant force is needed to cause a lorry of mass 3000 kg to accelerate at 0.3 m/s^2?
6. Calculate the acceleration of a skydiver of mass 70 kg with a weight of 700 N and a drag force of 490 N acting on them. You do not need to give the unit.
7. Match the following key terms about terminal velocity to the correct description.
8. Which of the following statements about an object falling through the atmosphere are correct?
9. Five objects, A, B, C, D and E, are falling towards Earth. There are two forces acting on each object, the values of which are listed below.Which of the objects are at terminal velocity?
10. A graph of the velocity-time for a falling object is shown. Match the labelled points to the descriptions.
11. A stone of mass 0.5 kg is falling in water. Its weight is 5.0 N and a drag force of 4.5 N is acting.Calculate the acceleration of the stone.You do not need to give the unit.
12. Two balls, with the same diameter but different weights, are dropped from a height. Which two statements explain why the heavier ball reaches a higher terminal velocity then the lighter ball?

License: OGL