If a body of mass 10 kg is allowed to fall freely, its weight becomes______________?
A. 0
B. 89N
C. 9.8 N
D. 10N
Physics Mcqs
A body of 2 kg is suspended from the ceiling of an elevator moving up with an acceleration g. Its apparent weight in the elevator will be______________?
A body of 2 kg is suspended from the ceiling of an elevator moving up with an acceleration g. Its apparent weight in the elevator will be______________?
A. 9.8 N
B. 19.6 N
C. 129.4 N
D. 39.2 N
Minimum number of communication satellites required to cover the whole earth is______________?
Minimum number of communication satellites required to cover the whole earth is______________?
A. 4
B. 3
C. 2
D. 5
A satellite moving around the earth constitutes______________?
A satellite moving around the earth constitutes______________?
A. An inertial frame of reference
B. Non-inertial frame
C. Neither inertial nor non-inertial
D. Both inertial and non-inertial
The planet nearest to the earth is______________?
The planet nearest to the earth is______________?
A. Venus
B. Mercury
C. Uranus
D. Sun
Who discovered the inverse square law for gravity ?
Who discovered the inverse square law for gravity ?
A. Einstein
B. Galileo
C. Newtons
D. Plank
A man of weight W is standing on an elevator which is ascending with an acceleration a. The apparent weight of the man is_______________?
A man of weight W is standing on an elevator which is ascending with an acceleration a. The apparent weight of the man is_______________?
A. mg
B. mg – ma
C. mg + ma
D. mg – ma
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_______________?
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
If we whirl a stone at the end of a string in the vertical circle, it is likely to break when the stone is________________?
If we whirl a stone at the end of a string in the vertical circle, it is likely to break when the stone is________________?
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
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 ?
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