9th Class Physics English Medium Online Test For Full Book With Answers

9th Class Physics English Medium Online Test For Full Book

Sr. # Questions Answers Choice
1 The reason that a car movint on a horizontal road gets thrown out of the road while taking a turn is. The reaction of ground Rolling friction between tyre and road Lack of sufficient centriptal force Gravitational force
2 The force that alwyas changes directron of velocity and not its magnitude tis called. Electrical force Centripetal force Gravitational force Friction
3 The correct order of comparison for the terminal speeds of a raindrop snowflake, and hailstone is. Raindrop= Snowflake = Hailstone Rindrop>Snow flake>Hailstone Hailstone>SRaindrop>Snowflake Snowflake>FRaindrop>Hailstone
4 For an objec moving with terminal velociyt, its acceleration. First increasse than decreases Is zero Increass with time Decrease with time
5 It is more difficult to walk on a slippery surface than on a nonslipery one because of Lower weight Increased friction Reduced friction High grip
6 You throw a ,it opens fully underwater, spreading out its mesh evenly.Compared to the moment it left your hand, where in the net\s center of mass now. Unchanged from its position when thrown At the same depth but slightly shifted horizontally Higher is the water column Loweer in the water column
7 A tightropw walker is carrying a long pole while walking across a rope The stability of the walker is affected if the pole is Short and placed horizontally Long and placed horizontally Short and placed vertically Long and placed vertically
8 A uniformly rotating fan is said to be in Static equilibrium only Dynamic equilibrium only Boh in static and dynamic equilibrium Not in equilibrium
9 A body in equilibrium must not have Speed Velocity Acceleeration Quantity of motion
10 You are trying to loosen a nut using a spanner, but it is not working In order to open the nut, you need to. Use plastic and soft spanner Use a spanner of small length Insert a pipe to increase length of spanner Tie a rope with spanner
11 If a body is at rest or moving with uniform rotational velocity, then torqu acting on the boyd will be. Zero Maximum Minimum Infinite
12 When line of action of the applied force passes through its pivot point then momet of force acting on the body is Maximum Minimum Infinite Zero
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