Physics MCQs for Class 9 with Answers
In which case it is easy for the tyre to roll over:
Rough ground
Smooth ground
Same
None
Relation between force and momentum is:
ΔP/F
ΔP/t
ΔPF
None
That force which produces an acceleration of one metre per second per second in a body of one kilogram mass is called
1 joule
1 newton
1 watt
1 ampere
Product of mass and velocity of a body is called.
Torque
Force
Work
Momentum
Walking on earth is the example of which law?
First law
Second law
Third law
Law of momentum
A sugar bag of 1 kg has a momentum 25 kg m/s than its velocity is :
v = 20 m/s
v = 25 kg
V = 25 m/s
v = 25 kg/ms-1
The direction of momentum is
opposite to motion
Along the velocity
Perpendicular to motion
None of these
Which parameter remain same every where?
Force
Mass
Weight
Velocity
A string is stretched by two equal and opposite forces 10 N each. The tension in the string is
Zero
5N
10N
20N
When horse pulls a cart, the action is on the:
Cart
Earth
Horse
Earth and cart
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