10th Science Chapter -1 Laws of Motion Creative One Mark Question and Answers Part-01
10th Science Chapter -1 Laws of Motion Creative One Mark Question and Answers Part-01
01.The force of gravitation between two bodies in the universe does not depend on
a) the distance between them
b) the product of their masses
c) the sum of their masses
d) the gravitational constituent
Correct answer
the sum of their masses
02.The distance en two bodies becomes 6 times more than the usual distance, then force become
a) 36 times
b) 6 times
c) 12 times
d) 1/36 times
Correct answer
1/36 times
03.A&B are two objects with masses 100 Kg&75 Kg respectively then
a) both will have same inertia
b) B will have more inertia
c) A will have more inertia
d) both will have less inertia
Correct answer
A will have more inertia
04. Gravitational,magnetic and electro magnetic forces are example for__________ force
a) contact
b) Non - contact
c) Balanced
d) Unbalanced
Correct answer
Non - contact
05.A water tanker filled up to 2/3 of its height is moving with a uniform speed, on sudden application of the break, the water in the tank would
a) move backward
b) be unaffected
c) rice upwards
d) move forward
Correct answer
move forward
06.If lift is accelerated in the upward direction then the apparent weight of a body is
a) more than true weight
b) equal to the true weight
c) decrease area and increase pressure
d) increase area & increase pressure
Correct answer
decrease area and increase pressure
07.SI unit of impulse is
a) Ns
b) Ns^2
c) Kg ms^_2
d) Kg m^2 s^_2
08.Impluse is equals to
a) rate of change of momentum
b) rate of force and time
c) change of momentum
d) rate of change of mass
e)
Correct answer
change of momentum
09.Inertia of a body depends on
a) mass of the oject
b) acceleration due to gravity of the planet
c) weight of the object
d) None
Correct answer
mass of the oject
10.The gravitational force between two objects becomes _____ when the masses of both objects are halved without altering the distance between them
a) f /4
b) f /2
c) f
d) 2f
Correct answer
f /4
11.Impulse is equal to
a) ma
b) Ft
c) v_u / t
d) mv
Correct answer
Ft
12.Apparent weight of a person is always equal to his actual weight
a) true
b) False
c) Correct answer
d) False
13.The resistance of a body to change its state of rest is called______
a) inertia of rest
b) inertia of motion
c) momentum
d) inertia of direction
Correct answer
inertia of rest
14.Value of 'g' is zero at the centre of the earth
a) true
b) false
Correct answer
true
15.Opening a door is an example of _________
a) a non contact force
b) contact force
c) balanced
d) unbalanced
Correct answer
contact force
