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SAI INTERNATIONAL SCHOOL
CLASS-IX PHYSICS HOME ASSIGNMENT-14

OBJECTIVE

MCQ(BOARD)

1. Two objects of different masses falling freely near the surface of moon would
(a) have same velocities at any instant
(b) have different accelerations
(c) experience forces of same magnitude
(d) undergo a change in their inertia
2. The value of acceleration due to gravity
(a) is same on equator and poles
(b) is least on poles
(c) is least on equator
(d) increases from pole to equator
3. The atmosphere is held to the earth by
(a) gravity (b) wind
(c) clouds (d) earth’s magnetic field
4. The value of ‘g’
a. Increases as we go above the earth’s surface
b. Decreases as we go to the center of the earth
c. Remains constant
d. Is more at equator and less at poles

5. The ball is thrown up, the value of ‘g’ will be

a. Zero
b. positive
c. negative
d. negligible

6. For a freely falling object,

a. acceleration remains constant.

b. velocity remains constant.

c. speed remains constant.

d. acceleration increases.

7. When an object falls freely towards the earth,

a. the direction of motion does not change.

b. the speed of motion decreases.
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