Physics MCQs for Class 9 with Answers
Fx= 4 N and Fy=3N what is F?
5N
1.5 N
16 N
9 N
The formula of y component of force ‘ F ‘ is:
F cos ?
F Sin ?
F tan ?
Tan-1 ?
…………….. can be add algebraically.
Scalar quantities
Vector
All
None
It is useful to know the location of center of gravity of a body in problem dealing with
Motion
Equilibrium
Charge
Velocity
The turning effect of force is called:
Torque
Parallel force
Equilibrium
Couple
The formula of torque is:
L= F x E
E = F x t
t = F x L
E = F x L
Base / Hypotenuse is called:
Sin?
Cos ?
Tan ?
Cot ?
Anticlockwise torque is taken:
Negative
Neutral
Positive
Nil
If base of a right angle triangle is 3 cm and perpendicular is 4 cm. What is length of perpndicular?
3 cm
2 cm
5 cm
10 cm
ΣF=0 is __________ condition of equilibrium:
1st
2nd
Unstable
Stable
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