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Physics questions and answers

Browse questions about Physics, with answers and explanations.

219 questions

Electric Current and Its Effects39 questionsFluid Mechanics5 questionsForce and Pressure31 questionsGravitation11 questionsHeat and Thermodynamics13 questionsLight and Optics14 questionsMechanical Properties of Solids1 questionsNuclear Physics4 questionsRotational Motion2 questionsScientific Discoveries25 questionsSound15 questionsSpace Science and Technology7 questionsUnits and Measurements29 questionsWaves and Oscillations13 questionsWork and Energy10 questions

Questions

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Which of the following is NOT an example of inertia at rest?

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A constant net force along the motion acts on a 6 kg object for 5 s, increasing its velocity from 3 m/s to 8…

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In physics, a force arises only when there is interaction between objects. What is the minimum number of bodies required for a force to…

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Newton’s First Law of Motion is commonly known by which of the following names?

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For ordinary dry surfaces in the usual school-level friction comparison, which statement is incorrect?

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In which direction does sliding friction act relative to an object sliding over a stationary surface?

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Consider the following situations related to friction: I. Soles of shoes gradually become worn out after long use. II. Steps of foot overbridges at…

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Identify the force from the following that is classified as a non - contact force? I. Gravitational force II. Magnetic force

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The backward movement of a gun when a bullet is fired illustrates which of the following laws of motion?

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When force is applied to a spring balance, which internal part elongates to measure the applied force?

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A car starts from rest and reaches a speed of 20 m/s in 5 seconds with uniform acceleration. What is the value of its…

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Which situation illustrates conservation of total momentum when the external impulse on the selected system is negligible?

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Which option correctly explains how velocity and acceleration relate in motion along a single straight path?

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When an object travels different distances in the same amount of time, its motion is described as:

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Consider the effect of forces on the motion of an object: I. Unbalanced forces can change the speed or direction of motion. II. Balanced…

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The working principle behind a satellite launch vehicle is based on:

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Which law states that an object remains at rest or moves uniformly in a straight line unless acted upon by a nonzero net external…

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Despite the enormous pressure exerted by the atmosphere, why does the human body not collapse under its effect?

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What is the physical quantity defined as the force acting per unit area of a surface?

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Which of the following correctly represents the formula for calculating the momentum of an object?

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According to P = F/A, what happens to pressure if the normal force stays constant while the contact area decreases?

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When an object’s speed or direction changes, it indicates which of the following?

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According to Newton’s third law of motion, which statement correctly describes the relationship between action and reaction?

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