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Test: Work, Force, Energy And Simple Machines - 1 - Class 5 MCQ


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15 Questions MCQ Test Science Class 5 - Test: Work, Force, Energy And Simple Machines - 1

Test: Work, Force, Energy And Simple Machines - 1 for Class 5 2024 is part of Science Class 5 preparation. The Test: Work, Force, Energy And Simple Machines - 1 questions and answers have been prepared according to the Class 5 exam syllabus.The Test: Work, Force, Energy And Simple Machines - 1 MCQs are made for Class 5 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Work, Force, Energy And Simple Machines - 1 below.
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Test: Work, Force, Energy And Simple Machines - 1 - Question 1

What type of force pulls everything towards the Earth?

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 1
  • Gravitational force is the force that pulls everything towards the Earth.
  • Imagine you are standing on the ground, and you feel this force keeping you from floating away into space.
  • This force is what makes things fall to the ground when you drop them.
  • So, the force that pulls things towards the Earth is called gravitational force.
Test: Work, Force, Energy And Simple Machines - 1 - Question 2

To make things move, we need to apply __________.

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 2

- Energy is required to make things move because it is the ability to do work.
- When energy is applied to an object, it can overcome any opposing forces such as friction or gravity.
- Muscular force can also be a source of energy, as our muscles generate force to move objects.
- Gravitational force and friction are forces that can act against the motion of an object, but energy is what is needed to overcome these forces and make things move.

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Test: Work, Force, Energy And Simple Machines - 1 - Question 3

How does a lever help us?

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 3
  • A lever helps us by making work easier. Imagine using a seesaw at the playground. When you push down on one side, the other side goes up. This is how a lever works. It helps us lift or move things with less effort. So, next time you see a see-saw or a pair of scissors, remember how levers make our work easier!
Test: Work, Force, Energy And Simple Machines - 1 - Question 4

A simple machine which changes the direction or amount of force applied is called a ______.

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 4

- A pulley is a simple machine that changes the direction or amount of force applied.
- It consists of a wheel with a groove in which a rope or belt can run.
- By looping a rope around a pulley, you can change the direction of the force needed to lift an object.
- Pulleys are commonly used in various applications, such as elevators, cranes, and even exercise machines. 

Test: Work, Force, Energy And Simple Machines - 1 - Question 5

State whether the following statement is True or False:

Machines help us to do work easily and with less effort.

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 5
  • Machines are like helpful friends that make our tasks easier. They help us with our work so that we don't have to use too much strength.
  • Imagine trying to lift a very heavy box all by yourself. It would be really hard, right?
  • But if you use a machine like a pulley or a lever, it can help you lift that heavy box with much less effort.
  • So, the statement that machines help us do work easily and with less effort is True!
Test: Work, Force, Energy And Simple Machines - 1 - Question 6

What kind of lever is a bottle opener?

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 6
  • A bottle opener is an example of a second-class lever.
  • Second-class levers are tools that help us apply more force to lift or move something, like opening a bottle cap easier.
  • Remember, when the load is between the fulcrum and the effort, it's a second-class lever.
  • Good job learning about levers!
Test: Work, Force, Energy And Simple Machines - 1 - Question 7

A lever of class 2 always increases _____.

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 7

A lever of class 2 always increases force. This means it helps to make things easier to lift or move by making the force stronger.

Test: Work, Force, Energy And Simple Machines - 1 - Question 8

What makes it easier to lift heavy loads using a pulley?

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 8
  • When we use a pulley to lift heavy loads, it becomes easier because the pulley changes the direction in which we apply the force.
  • This means we can pull down to lift something up, making it simpler for us to lift heavy things like buckets of water from a well.
  • So, using a pulley helps us by changing how we pull, making the work easier and faster!
Test: Work, Force, Energy And Simple Machines - 1 - Question 9

A pulley makes it easier by changing the direction in which the ____ is applied.

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 9

The pulley helps by changing the direction in which the effort is applied. This makes it simpler to lift or move heavy objects.

Test: Work, Force, Energy And Simple Machines - 1 - Question 10

State whether the following statement is True or False

It is easier to lift a heavy load using multiple pulleys together.

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 10
  • Pulleys help us lift heavy things.
  • When we use several pulleys together, it makes lifting even easier.
  • Imagine pulling a bucket from a well.
  • If we use more pulleys, it feels like the bucket is getting lighter because each pulley helps share the weight.
  • So, it is true that using multiple pulleys together makes lifting heavy loads easier.
Test: Work, Force, Energy And Simple Machines - 1 - Question 11

What is a simple machine that is like a slope with one end higher than the other?

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 11
  • An inclined plane is like a slope with one end higher than the other. It helps us move heavy things more easily. Imagine it like a slide but for moving heavy stuff. So, an inclined plane makes it simpler to push heavy loads up by reducing the force needed. It's like having a little helper to move things without so much effort.
Test: Work, Force, Energy And Simple Machines - 1 - Question 12
The wheel is one of the most important ______ by humans.
Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 12
An invention is something new that someone has made. The wheel is one of the most important inventions made by humans because it changed how people traveled and moved things from one place to another. If the wheel hadn't been invented, we would still be walking everywhere.
Test: Work, Force, Energy And Simple Machines - 1 - Question 13

State whether the following statement is True or False

The inclined plane makes it harder to push up a load.

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 13
  • When we use an inclined plane, it actually helps us push things up more easily. The inclined plane works like a ramp, which lets us move heavy objects with less force. So, the statement that the inclined plane makes it harder to push up a load is False.
  • Imagine sliding a heavy box up a slide instead of lifting it straight up. It's much easier, right?
Test: Work, Force, Energy And Simple Machines - 1 - Question 14

What should we do when using sharp tools like knives or axes?

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 14

When we use sharp tools like knives or axes, we should always hold them away from our body. This helps us stay safe and prevents accidents. Remember, safety is very important when handling sharp objects!

Test: Work, Force, Energy And Simple Machines - 1 - Question 15

A screw looks like a nail with _____ cut in it.

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 15

A screw looks like a nail with grooves cut in it. Grooves are like small channels or paths that help the screw grip onto surfaces better. So, the screw can twist and hold things firmly in place.

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