A. Zero
B. Positive
C. Negative
D. None
Submitted by: Zahid Jagirani
Related Mcqs:
- 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 - A train is moving with a speed of 100mph. What will be its speed in m/s.?
A. 45 m/s
B. 90 m/s
C. 100 m/s
D. 120 m/sSubmitted by: Zahid Jagirani
- When the speed of a moving body is doubled then___________________?
A. its K.E is doubled
B. its acceleration is doubled
C. its P.E is doubled
D. its momentum is doubled - When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?
A. mV/r2
B. mV/r
C. mV2/r
D. mV2/r2 - When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?
A. zero
B. minimum
C. infinity
D. maximum - When the body moves with terminal velocity the acceleration in the body become_____________?
A. 0
B. Maximum
C. Variable
D. Infinite - The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?
A. 10 cm
B. 5 cm
C. 15 cm
D. 7.5 cm - Displacement of the body in S.H.M is equal to amplitude when the body is at_______________?
A. Mean position
B. Elsewhere
C. Extreme position
D. None - The centripetal acceleration produced in a rotating body is commonly due to change on_________of body?
A. magnitude
B. direction
C. both
D. None of theseSubmitted by: Bareera Mahmood
- Michelson calculated the speed of light using the instruments______________?
A. spectrometer
B. galvanometer
C. interferometer
D. none of these
The correct answer to the question: "Speed of a body can not be_______?" is "Negative".