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

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

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## 11 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 makes it easier to lift heavy loads using a pulley?

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

### A lever of class 2 always increases _____.

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

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.

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

### To make things move, we need to apply __________.

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

- 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.

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

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 4
• 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 5

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 5

- 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 6

What type of force pulls everything towards the Earth?

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 6

Gravitational force is the force that pulls everything towards the Earth.
This force is what gives objects weight and causes them to fall to the ground when dropped.

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

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 7
• 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.
Test: Work, Force, Energy And Simple Machines - 1 - Question 8

How does a lever help us?

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 8
• 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.
Test: Work, Force, Energy And Simple Machines - 1 - Question 9

What kind of lever is a bottle opener?

Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 9
• 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.
Test: Work, Force, Energy And Simple Machines - 1 - Question 10

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 10

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 11
What is force?
Detailed Solution for Test: Work, Force, Energy And Simple Machines - 1 - Question 11
Force is defined as a push or pull acting on an object. It is what causes an object to move or change its motion.

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## Science Class 5

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