When a body is in uniform circular motion …………… force acts on it.
A) gravitational force
B) centrifugal force
C) centripetal force
D) normal force
1 Answers
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Define Uniform Circular motion. Why is it called a periodic motion ?
Uniform circular motion, motion of a particle moving at a constant speed on a circle. In the Figure, the velocity vector v of the particle is constant in magnitude, but...
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The statement: “An object in motion will remain in same motion as long as no external force is applied on it” is given by
Correct option is A) Galileo
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A force of IN acts on a body of mass 5kg. The body covers 100 cm in 2 seconds moving along a straight line. The initial velocity is
D) 120 cm/sec
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Which of the following quantity always changes in a uniform circular motion ?
B) direction of velocity
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In uniform circular motion, which of the following is/are correct i) Net force can change only the direction of the velocity of the body
Correct option is D) i, ii, iii
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The direction of acceleration in uniform circular motion is
B) Towards centre
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………… force acts on the suspended body along the string.
Correct option is B) Tension
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Pressure = ………… A) Force B) Force x area C) Area / force D) Force / area
D) Force / area
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Assertion (A): A boy pushes the tyre again and again with a stick to increase its speed. If the net force acts in the direction of motion,
A) A and R are true, R supports A
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