1) The force diagram below shows a force acting on a stationary (not moving) ball on a table. Answer Questions 1 to 3. 1. Where will the ball move?  a) To the left b) To the right c) Upwards d) Downwards 2) The force diagram below shows a force acting on a stationary (not moving) ball on a table. Answer Questions 1 to 3. 2. To move the ball, the force acting on the ball must be _____________ the friction between the ball and the table.  a) less than b) equal to c) greater than d) All of the options 3) The force diagram below shows a force acting on a stationary (not moving) ball on a table. Answer Questions 1 to 3. 3. What effect will an oily table have on the movement of the ball? a) The ball will move faster b) The ball will move slower c) No effect on the movement d) The ball will stop 4) 4. What can we use to measure the amount of force required to move a stationary box? a) Electronic balance b) Balance scale c) Measuring cylinder d) Spring Scale 5) 5. Which of the following reduces the friction between the road and the tyre of a vehicle? a) Grooves b) Spikes c) Oil d) Rocks 6) 6. Friction acts in the ____________ direction to motion. a) upward b) downward c) same d) opposite 7) 7. What do we use to measure force? a) Thermometer b) Spring scale c) Ruler d) Electronic balance 8) 8. Which of the following is true? a) Only one force can act on an object at a time. b) We can change the size of a force. c) When we exert a push on an object, it moves towards us. d) When we exert a pull on an object, it moves away from us. 9) 9. Which of the following is not true? a) There is a friction when an object moves through liquid. b) To move a stationary object, the force exerted on the object must be able to overcome friction. c) There is no friction when an object moves through air. d) Friction acts in the opposite direction to motion. 10) 10. Which of the following is not true? a) Friction produces heat. b) Friction allows a car to stop when the brakes are applied. c) Friction decreases the speed of a moving object. d) Friction causes a ball to fall to the ground when it is dropped at a height. 11) 11. The diagram below shows the forces acting on a ball. What will happen to the ball? a) It will not move at all. b) It will move upwards. c) It will move to the left. d) It will move to the right. 12) 12. The diagram below shows the forces acting on a box. What is the resultant force acting on the box? a) 2 N b) 25 N c) 75 N d) 1,250 N 13) 13. Which of the following is true? a) A stationary object has zero resultant force acting on it. b) A stationary object has no force acting on it. c) A stationary object will remain stationary when another force acts on it. d) A stationary object does not experience friction. 14) The diagram below shows the forces acting on a box. Study the diagram and answer Questions 14 and 15. 14. What is the resultant force acting on the box?  a) 0 N b) 100 N c) 200 N d) 1,000 N 15) The diagram below shows the forces acting on a box. Study the diagram and answer Questions 14 and 15. 15. Which of the following about the box is true? a) The box will move in a different direction. b) The box will remain stationary. c) The box will move faster. d) The box will move slower. 16) 16. Which of the following is true? a) Friction always moves in the opposite direction to gravity. b) The greater the mass of a stationary object, the less resistance it has to motion. c) The rougher the surface, the more force needed to move an object across it. d) The smoother the surface, the more force needed to move an object across it. 17) 17-18. Which of the following help to reduce friction? a) Adding lubricant to machine parts. b) Wearing shoes with metal spikes. c) Using wheels to move objects. d) Using car tyres with grooves. 18) 19-20. Mint is rowing a boat down a stream. The boat is pushed by a 300 N force down the stream. The boat experiences a frictional force of 200 N as it moves downstream. Which of the following are true? a) The resultant force acting on the boat is 500 N. b) The resultant force acting on the boat is 100 N. c) The boat moves down the stream. d) The boat gets pushed up the stream.

P.5 Chapter 7 Pre-Test: Forces and Friction

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