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laws of motion and gravitation

Total questions: 11

Worksheet time: 12mins

Name
Class
Date
1.

Acceleration due to gravity g =

a)

9.8 ms-2

b)

9.8 cms-2

c)

980 ms2

d)

9.8 ms2

2.

value of G

a)

6.624 x10-12 Nm2kg-2

b)

6.674 x 10-11 Nm2kg-2

c)

67.24Nm2kg-2

d)

672.4 Nm2kg-2

3.

SI unit of weight is

(a)  

4.

force is defined by

a)

Newton's II law of motion

b)

Newton's III lawof motion

c)

Newton's I law of motion

d)

Newton's universal law of gravitation

5.

when you make a sharp turn while driving a car,you tend to lean sideways....This is an example for....

a)

Inertia of motion

b)

inertia of rest

c)

Inertia of direction

6.

Mass is .....

a)

scalar quantity

b)

fundamental quantity

c)

measured using spring balance

d)

amount of matter contained in a body

7.

Mass of the rocket decreases as the (a)   increases

8.

Acceleration due to gravity.....

a)

g=GM/R

b)

g=GM/R3

c)

g=GMm/r2

d)

g=GM/R2

9.
Force of gravity is inversely proportional to
a)
Mass
b)
Weight
c)
Distance
d)
Time
10.

An object in motion stays in motion and an object at rest stays at rest UNLESS

a)

acted on by a balanced force.

b)

acted on by an unbalanced force.

11.
What happens to Gravitational force if I double both of the masses but don't change their distance?
a)
doubles
b)
half as big
c)
4x bigger
d)
4x smaller