Q1: An object moving in (upward) direction opposite to the gravitational force of earth performs _________
A.accelerated motion
B.motion with constant velocity
C.oscillations
D.retarded motion
Q2: The value of acceleration due to gravity of the surface of the earth is
A.2 m/s^2
B.4.9 m/s^2
C.9.8 m/s^2
D.8 m/s^2
Q3: The mass of an object __________
A.varies at different locationsB.remains constant
C.can be measured using spring balance
D.is in the direction of gravitational force.
Q4: The value of acceleration due to gravity at the poles
A.Is more than at the equatorB.Same as at the equator
C.Is less than at the equator
D.zero
Q5: When an object is released freely from certain height without applying any external force, then the object
A.will move upwards with accelerated motion
B.will move downwards with accelerated motion
C.will move downwards with constant velocity
D.will move upwards with constant velocity
Q6: The gravitational force between two bodies is
A.always repulsiveB.always attractive
C.can be attractive or repulsive
D.neutral
Q7: Weight of an object on the surface of the moon is
A.1/5 th that on the surface of the earthB.1/3 that on the surface of the earth
C.½ that on the surface of the earth
D.1/6 that on the surface of the earth
Q8: The force of attraction between two bodies (each having mass of 1kg) are kept at a distance of 1m w.r.t. each other is:
A.9.8 NB.6.7 N
C.980 N
D.6.7 x (10)^ -11 N
Q9: The time of ascent when measured from the point of projection of a body projected upwards, the
A.Time of ascent > Time of descent
B.Time of ascent = Time of descent
C.Time of ascent < Time of descent
D.All of these
Q10: The relative density ___________
A.has unit of kg/cubic metreB.has unit of g/cubic centimetre
C.has unit of kg/square metre
D.is unit less
Answers will be provided soon
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