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2. In science, a push or a pull of an object is called a(n) A.force. B. acceleration. Cinertia. D. friction
3. What is magnitude? A. Refers to the distance covered by car B. Refers to the size or strength of the force. C. Refers to the weight of an object. D.
Refers to the mass of an object 4. Which doesn't describe to the forces acting on an object? A. point of application B. direction C. line of action D
. speed 5. What is the unit of force in metric system? A. Calorie B. Joules C. Newton D.
Pounds 6. A 250 N boy sits on the floor. How much force the floor exerts on her? A. 50 N B. 250 N C. 500 N D. 1000 N 7.
When a cabinet touches the floor, which type of forces exist? A. Contact forces B. Balanced forces C. Non-contact forces D. Unbalanced forces 8. What is the net force in the figure below? ON 2N A. 1 N, to the left C. 1 N, to the right B. 11 N, to the left D. 11 N, to the right 9. What force is always directed opposite to the motion of an object? A. Friction B. Gravitational C. Magnetic D. Tension 10. What is i
