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