Briefcase TEST YOURSELF 1. Show by an example that a balanced force can change the shape of a body 2. A person is holding a briefcase as shown. Show the forces acting on the briefcase. Why is the briefcase at rest? 3. In a tug of war, two teams are pulling the rope with equal force so that ribbon on the rope is held in the same position What will be the magnitude of a resultant force acting on the rope? 4. Why is a cup of tea placed on a table remains at rest? Show the forces acting on the cup 5. A body moves with a velocity of 2 m/s in horizontal direction. To maintain this horizontal constant velocity, what should be the forces acting on it? 6. Define force. 7. Define normal reaction. 8. Define weight 9. Define friction. 10. Explain different types of force.
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- Briefcase TEST YOURSELF 1. Show by an example that a balanced force can change the shape of a body 2. A person is holding a briefcase as shown. Show the forces acting on the briefcase. Why is the briefcase at rest? 3. In a tug of war, two teams are pulling the rope with equal force so that ribbon on the rope is held in the same position What will be the magnitude of a resultant force acting on the rope? 4. Why is a cup of tea placed on a table remains at rest? Show the forces acting on the cup 5. A body moves with a velocity of 2 m/s in horizontal direction. To maintain this horizontal constant velocity, what should be the forces acting on it? 6. Define force. 7. Define normal reaction. 8. Define weight 9. Define friction. 10. Explain different types of force.
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