0% This test need finish with in 15 minutes only, Otherwise it will be automatically submitted. Thank you. Practice more tests Class - 10 - Physics - Motion - Test - 2 1 / 15 1. Acceleration is defined as: Rate of change of time Rate of change of velocity Rate of change of distance Rate of change of speed 2 / 15 2. The slope of a distance-time graph gives: Acceleration Displacement Velocity Force 3 / 15 3. Which formula is correct for acceleration (a)? a = (v - u)/t a = v/t a = t/v a = u/t 4 / 15 4. If the velocity of an object changes by equal amounts in equal intervals of time, the acceleration is: Constant Zero Decreasing Increasing 5 / 15 5. A body moves with a constant speed in a circle. Which of the following is true? Its speed is constant Its direction is constant Its velocity is constant Its acceleration is zero 6 / 15 6. Which of the following is an example of uniform motion? Earth revolving around the Sun at constant speed A car moving on a crowded street A falling ball A satellite orbiting the earth 7 / 15 7. The initial velocity (u) of a body is 0, it attains a velocity (v) in time t with acceleration a. Which formula is correct? v = u × at v = u + at v = u / at v = u - at 8 / 15 8. What is the SI unit of velocity? km/h m cm/s m/s 9 / 15 9. The area under a velocity-time graph represents: Distance Force Acceleration Speed 10 / 15 10. When a car moves with constant velocity, its acceleration is: Increasing Decreasing Zero Variable 11 / 15 11. What is the SI unit of acceleration? m/s² m²/s cm/s² $x = {-b pm sqrt{b^2-4ac} over 2a}.$ m/s 12 / 15 12. Which of the following is a vector quantity? Distance Length Velocity Speed 13 / 15 13. A freely falling body has: Uniform velocity Zero acceleration Uniform acceleration Decreasing acceleration 14 / 15 14. A body is said to be at rest if: It moves with uniform velocity It moves with uniform acceleration It does not change position with time It changes position with time 15 / 15 15. If a car starts from rest and accelerates uniformly at 2 m/s² for 5 seconds, what is its velocity? 10 m/s 20 m/s 5 m/s 2 m/s Your score isThe average score is 10% 0% Restart quiz
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Class - 10 - Physics - Motion - Test - 2
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1. Acceleration is defined as:
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2. The slope of a distance-time graph gives:
3 / 15
3. Which formula is correct for acceleration (a)?
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4. If the velocity of an object changes by equal amounts in equal intervals of time, the acceleration is:
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5. A body moves with a constant speed in a circle. Which of the following is true?
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6. Which of the following is an example of uniform motion?
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7. The initial velocity (u) of a body is 0, it attains a velocity (v) in time t with acceleration a. Which formula is correct?
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8. What is the SI unit of velocity?
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9. The area under a velocity-time graph represents:
10 / 15
10. When a car moves with constant velocity, its acceleration is:
11 / 15
11. What is the SI unit of acceleration?
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12. Which of the following is a vector quantity?
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13. A freely falling body has:
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14. A body is said to be at rest if:
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15. If a car starts from rest and accelerates uniformly at 2 m/s² for 5 seconds, what is its velocity?
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