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Directions: Choose the best answer. Write the letter of your answer on a separate sheet.
1. Which of the following is/are true about frictional force?
I. It occurs between two surfaces that are touching.
II. It speeds up to the movement of an object.
III. It prevents a stationary object from moving.
A. I only B. II only C. I and II D. II and III
2. when bryan pushes a toy car on the floor, thr car will travel for a distance then finally will stop because________.
A. the pushes is too soft B. the car is too heavy C. of the frictional force D. of the gravitational force
3. the diagram shows a man moving heavy sofa. the sofa will move if_______.
A. the force applied is equal to the frictional force B. there is no gravitational force acting on the sofa C. the frictional force is greater than the force applied D. the force applied is greater than the frictional force
4. how will an arrow shot horizontally move?
A. ----------> ||| ------------> B. ----------> C. ----------> D. ---------->
among the arrows Iabelled A, B, C, and D, which shows the direction of the frictional force that acts on the car?
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