Pulley and Wheels

Q.

How many buttons on the keyboard?

Q. Identify the simple machine used in bicycle.

1. Lever
2. Inclined plane
3. Wheel and axle
4. Pulley

Q.

Give two examples each of situations in which you push or pull to change the state of motion of objects.

Q.

What kind of machine is used in a flagpole?

1. Pulley

2. Wedge

3. Lever

4. Inclined plane

Q.

Name the different types of simple machine.

Q. A pulley changes the direction in which force is applied.

1. False
2. True

Q. What is elasticity?

Q.

Name the simple machine used for hoisting a flag.

Q. A wheel with a rope around it is used to lift something up. Identify this simple machine.

1. Lever
2. Pulley
3. Wheel and axle
4. Inclined plane

Q. is a simple machine which is used to reduce friction between surfaces.

1. Screw
2. Wheel
3. Lever

Q. is a simple machine which is used to reduce friction between surfaces.

1. Screw
2. Wheel
3. Lever

Q.

Draw and label the diagram of a single fixed pulley.

Q.

A hand truck is used to move boxes in a store. Which simple machines are part of the hand truck?

1. Lever, wheel and axle

2. Pulley and lever

3. Pulley and wheel

4. Pulley

Q. What is sai ??

Q. Select the correct statement regarding force.

1. It is the push or pull applied on an object.
2. It is the weight of an object.
3. It's the distance travelled by an object.
4. It results in the movement of an object.

Q. Which one of the following is required to push or pull something?

1. Force
2. Weight
3. Speed
4. Rest

Q.

What is the wheel and axle? Give two examples of wheel and axle.

Q. Condition required for Cp-Cv =R Valid

Q.

Force is applied as _________ or __________.

Q.

Early humans have been using wheels to:

1. transport objects

2. Sleep

3. flying

4. eating

Q. Identify this simple machine.

1. Inclined plane
2. Wheel and axle
3. Lever
4. Pulley

Q.

What are the effects of force?

Q. What is g

Q. All of the following machines employ a wheel and an axle except:

1. 
2. 
3. 
4. 

Q.

Pick Odd one out -

Lubricant, wheel, ball bearings, grooved tyres, streamlined shape

Q.

Why is the wheel regarded as an important discovery?

Q. Which of these is a way for irrigation that uses collected water?

1. Rain
2. Lakes/Ponds
3. Seas
4. Canals

Q.

A machine changes the direction of the force.

1. True
2. False

Q. In which direction a person on the ground applies the effort on a simple pulley to raise up a load?

1. Upwards
2. Towards the left
3. Towards the right
4. Downwards

Q. Which of the following actions is not done by the saperas?

1. Killing snakes
2. Worshipping snakes
3. Catchng snakes
4. Treating people attacked by snakes