A. At the highest point
B. At the lowest point
C. At any point during motion
D. At the point where gravity is not acting
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Related Mcqs:
- A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is______________?
A. Maximum
B. Zero
C. Equal to the weight of the stone
D. Less than the weight of the stone - When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by______________?
A. Mass of a body
B. Velocity of body
C. The tension in the string
D. Centripetal acceleration - A stone is thrown upward from the top of a 59.4m high cliff with an upward velocity component of 19.6m/s how long is the stone in the air?
A. 4.00 s
B. 5.00 s
C. 6.00 s
D. 7.00 sSubmitted by: Maryum
- What is the outward force acting on a mass of 10 kg when rotating at one end an inelastic string 10m long at speed of 1m/s ?
A. 1N
B. 10N
C. 2N
D. 100N - A force applied on a body through the string is called_________?
A. Weight
B. Momentum
C. Tension
D. TorqueSubmitted by: hamza khan
- The speed of stationary waves in a stretched string are independent of___________________?
A. Number of loops
B. Tension in the string
C. Point where string is plucked
D. both A and C - The first overtone of a stretched string of given length is 320 Hz. The first harmonic is_________?
A. 320 Hz
B. 640 Hz
C. 160 Hz
D. 480 HzSubmitted by: Tauseef Ali
- hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________?
WA. 180°
B. 0°
C. 90°
D. 45° - If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?
A. 4 rad. S-1
B. 5 rad. S-1
C. 1.6 rad. S-1
D. 2.8 ms-1 - Moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R, the ratio of displacement to the covered path will be_______________?
A. πR
B. 2πR
C. 0
D. 4πR
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