Question # 1

A tightropw walker is carrying a long pole while walking across a rope The stability of the walker is affected if the pole is

Choose an answer

Short and placed horizontally

Long and placed horizontally

Short and placed vertically

Long and placed vertically

A car drives at steady speed around a perfectly circular track

Choose an answer

The car's acceleration is zero

The net force on the car is zero

Both the aceleerain and net force n the the car point inward

Both the accelerationand net fore on the the car point outward

Centripetal force is given by

Choose an answer

rF

mv2/r

mv /r2

r Fcos0

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.

Choose an answer

Unchanged from its position when thrown

At the same depth but slightly shifted horizontally

Higher is the water column

Loweer in the water column

A shopkeeper sells his articles by a balance having unequal arms of the paes. If he puts the weights in the pan having shorter arm, then the customer.

Choose an answer

Gains

Loses

Neigher loses nor gains

Not certain

A setallite of mass 'm' is revolving around the earth with an orbital speed 'v' If mass of the satellite is doubled, its orbital speed will become.

Choose an answer

Double

Half

One fourth

Remain the same

Moment of force is called

Choose an answer

Couple

Moment arm

Torque

Couple arm

A cylinder resting on its circulr bases is in

Choose an answer

Neurtral equilibrium

Stable equilibrium

Unsatable equilibrium

None of these three

For an objec moving with terminal velociyt, its acceleration.

Choose an answer

First increasse than decreases

Is zero

Increass with time

Decrease with time

A body in equilibrium must not have

Choose an answer

Speed

Velocity

Acceleeration

Quantity of motion

You are trying to loosen a nut using a spanner, but it is not working In order to open the nut, you need to.

Choose an answer

Use plastic and soft spanner

Use a spanner of small length

Insert a pipe to increase length of spanner

Tie a rope with spanner

A seesaw balances perfectly with two children of equal weight sitting at equal distances fromt he fulcerum. If one child moves closer to the fulcrum.

Choose an answer

The seesaw topples

The seesaw tips towrds the child who stayed further away

The seesaw tips towards the child who moved closer

The seesaw remains balanced

A man walks on a tight rope. He balances hiself by holding a bamboo stick horizontally, It is an application of

Choose an answer

Law of conseration of momentum

Principle of momentums

Newton's third law of motion

News' second law of motion

More Classes

Other Links

Physics 9th Class English Medium Unit 4 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer