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Gravity and normal forces
Quiz by shilpa pai
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8 questions
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- Q1What force causes objects to fall towards the Earth?ElectromagnetismMagnetismFrictionGravity30s
- Q2What is the normal force?The force that causes objects to fall towards the Earth.The force exerted by a surface to support the weight of an object resting on it.The force exerted by an object on a surface.The force of gravity on an object.30s
- Q3Which force opposes the motion of an object on a horizontal surface?FrictionMagnetismGravityTension30s
- Q4What is the relationship between the weight of an object and the normal force acting on it?The normal force is greater than the weight.The weight is greater than the normal force.The weight and the normal force are equal in magnitude and opposite in direction.The weight and the normal force are unrelated.30s
- Q5What is the direction of the normal force exerted by a surface on an object?Perpendicular to the surface.Opposite to the surface.At an angle to the surface.Parallel to the surface.30s
- Q6When an object is in free fall, what is the magnitude of the normal force acting on it?Double its weightEqual to its weightDepends on the object's massZero30s
- Q7Which of the following forces keeps planets in orbit around the Sun?MagnetismFluid resistanceGravityFriction30s
- Q8What is the relationship between the normal force and the weight of an object on a flat surface?The normal force is greater than the weight of the object.The normal force depends on the object's mass.The normal force is smaller than the weight of the object.The normal force is equal in magnitude and opposite in direction to the weight of the object.30s