Physics MCQs for Class 9 with Answers
Cos 0ois
0
2
1
0.5
The centre of gravity of uniform triangle is:
Point of intersection of medians
On its vertex
On middle point of its axis
Point of intersection of diagonal
Clockwise torque is taken:
Positive
Negative
Neutral
Nil
Two equal but unlike parallel forces having different lines of action produce:
a Torque
a couple
Equilibrium
Netural equilibrium
Racing cars are made stable by :
Increasing their speed
Decrease their mass
Lowering their center of gravity
Decreasing their width
When center of gravity is at the highest position body will be in:
Neutral equilibrium
Stable equilibrium
Unstable equilibrium
None of these
It is easy to turn a steering wheel by applying a:
Torque
Force
Couple
Momentum
If force is 200 N and length of spanner is 0.15 then torque will be:
30 Nm
15Nm
20 Nm
10 Nm
A couple is formed by
Two forces perpendicular to each other
Two like parallel forces
Two equal and opposite forces in the same line
Two equal and opposite forces not in the same line
A force of 10 N is making and angle of 30owith the horizontal. Its horizontal component will bw:
4 N
5 N
7 N
8.7 N
Continue Reading Go to Next Page
Google Ads