Physics MCQs for Class 9 with Answers
Sin 45ois
0.707
0.5
1
0.2
If there is no change in state of motion, then the body is said be i:
Rest
Motion
Equilibrium
Rest & motion
Complete equation fy/fx =
Sin?
Cos ?
Tan?
Cos ec?
PQ & RS are 2 parallel forces moving in same direction than they are called …………… forces.
Like parallel
Unlike
Parallel
Nil
The parallel forces which have same direction are called.
Resutant force
Like parallel force
Unlike force
Null force
A line about which a body rotates is called;
Axis of rotation
Rigid Body
Center of gracity
None of these
If Fy = 4 N and Fx = 3 N , what is the magnitude of resolution of force.
5 N
7 N
10 N
15N
A couple consists of how many forces:
1
2
3
4
The centre of gravity of irregular shaped body can be found with the help of:
Wedge
Meter rod
Plumb line
Screw gauge
Consider a rigid body. As it rotates, its particles move in fixed
Squares
Circles
Triangles
Rectnagles
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