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When an unbalanced force acts on an object, the force: a. changes the motion of the object. B. is canceled by another force. C. Does not change the motion of the object. D. Is equal to the weight of the object.

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  1. When an unbalanced force acts on an object, the force:a. changes the motion of the object.B. is canceled by another force.C. Does not change the motion of the object.D. Is equal to the weight of the object.

  2. 2. When two equal forces act in opposite direction on an object, they are called……A. friction forcesB. balanced forcesC. centripetal forcesD. gravitational forces

  3. 3. The resistance of an object to any change in its motion is called……A. inertiaB. frictionC. gravityD. weight

  4. 4. According to Newton’s second law of motion, force is equal to mass times its…..A. inertiaB. weightC. DirectionD. acceleration

  5. 5. According to Newton’s third law of motion, whenever you exert a force on an object, the object exerts a force back on you that is ________your force.A. less thanB. greater thanC. equal to

  6. 6. Mass is a measure of the amount of _______ that an object has.A. MatterB. ForceC. GravityD. Momentum

  7. 7. _________ is the measure of the force of gravity exerted on an object.A. MassB. WeightC. GravityD. Momentum

  8. 8. The force that causes a satellite to orbit Earth is ______.A. MassB. DistanceC. GravityD. Force

  9. 9. If two forces are 45N and 60N in one direction and Friction is 15N…….What is the net force?A. 90NB. 105NC. 120ND. 15N

  10. 10. What is the acceleration of the bag? F = M x ABag Mass: 15 kgNet Force: 90 NA. 6.0 m/sB. 6.0 m/s2C. 6.5 m/s2D. 7.0 m/s

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