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9. How would you compare the force you exert on pulling the hand of your friend compared to the
resistance your friend is offering?
a. greater
b. equal
c. lesser
d. zero
10. Which of the following is a reaction when swimming?
a. hand pushes the what backwards c. hand extends forwards
b. water flows backward d. water pushes the hand forward
11. In a game of tug -of -war the stronger team pulls the rope with a force that is
a. greater than the pull of the opponent.
b. equal the total weight of the members in the opposing team.
c. equal to the force that that the weaker team exerts on them.
d. double the amount of that the opponent pulls on them
12. What concepts may explain why you are thrown off a motorcycle as it speeds round a curve.
a. action-reaction c. friction
b. law of acceleration d. inertia
13. Which statements is true about about a moving spaceship which runs out of fuel in the empty outer
space.
a. it will show down and eventually stop. c. accelerate.
b. it will wander in any direction. d. it will move at a constant velocity.
14. Which statements is FALSE when a bus is overloaded.
a. its mass is increased c. it requires greater force to keep moving
b. its acceleration is increased d. it inertia is increased
15. Which of the following is TRUE about a person sleeping motionlessly on the bed?
a. his inertia decreases. c. bed pushes the person with a force equal to his weight.
b. no force acts on him. d. only force weight acts on the person.
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