Worksheet: Work, Force, Energy and Simple Machines - 1

# Work, Force, Energy and Simple Machines - 1 Class 5 Worksheet Science

### Q1: Multiple Choice Questions (MCQs).

(i) Which of the following is an example of a simple machine?
(a) Car
(b) Lever
(c) Airplane
(d) Computer

(ii) What is work?
(a) The force applied to an object
(b) The energy transferred by a force to move an object
(c) The distance an object moves
(d) The speed at which an object moves

(iii) Which of the following is a unit of force?
(a) Newton (N)
(b) Joule (J)
(c) Watt (W)
(d) Meter (m)

(iv) Which of the following is a unit of energy?
(a) Newton (N)
(b) Joule (J)
(c) Watt (W)
(d) Meter (m)

(v) What is the purpose of a simple machine?
(a) To make work harder
(b) To reduce the amount of energy needed
(c) To increase the amount of force needed
(d) To make work easier

### Q2: Fill in the Blanks.

(i) Work is done when _______ is applied to an object, and it moves a certain _______.

(ii) The unit of measurement for work is _______.

(iii) _______ force is applied when we push, pull, or lift something with our hand.

(iv) Gravitational force is the force that attracts objects towards the _______.

(v) A heated substance possesses _______ energy.

### Q3: True or False.

(i) Frictional force tries to stop the movement of objects across a surface.

(ii) Potential energy is the energy due to an object's position or motion.

(iii) The law of conservation of energy states that energy can be created or destroyed.

(iv) In a first-class lever, the load is between the fulcrum and the effort.

(v) A pulley used for drawing water from a well is a movable pulley.

(vi) Work is done only when an object moves.

(vii) Gravity is a force that pushes objects away from the Earth.

(viii) A lever is an example of a simple machine.

(ix) Energy can be created or destroyed.

(x) The pulley is a simple machine that helps lift heavy objects.

### Q4: Match the column.

(i) Explain the formula for calculating work.

(ii) Give an example of each type of force mentioned in the text.

(iii) Define potential energy and kinetic energy with examples.

(iv) What are the six different types of simple machines.

(v) Explain how a pulley works.

(vi) What is the principle of conservation of energy?

(i) Explain the three types of levers with examples.

(ii) Describe the different forms of energy mentioned in the text and their applications in daily life.

(iii) Explain the working principle of a wheel and axle with real-life examples.

You can find Worksheets Solutions here: Worksheet Solutions: Work, Force, Energy and Simple Machines - 1

The document Work, Force, Energy and Simple Machines - 1 Class 5 Worksheet Science is a part of the Class 5 Course Science Class 5.
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## Science Class 5

44 videos|204 docs|45 tests

## FAQs on Work, Force, Energy and Simple Machines - 1 Class 5 Worksheet Science

 1. What is work and how is it related to force and energy?
Ans. Work is defined as the transfer of energy that occurs when a force is applied to an object and the object moves in the direction of the force. It is directly related to force and energy because work is calculated by multiplying the force applied to an object by the distance the object moves in the direction of the force, and the energy used to do work is transferred from the object applying the force.
 2. What are the different types of simple machines and how do they make work easier?
Ans. There are six different types of simple machines: lever, pulley, wheel and axle, inclined plane, wedge, and screw. These machines make work easier by either increasing the force applied to an object or changing the direction of the force. For example, a lever can amplify the force applied to an object, while an inclined plane can reduce the amount of force needed to move an object vertically.
 3. How does a pulley system work and what are its advantages?
Ans. A pulley system consists of a rope or chain wrapped around a grooved wheel. When force is applied to one end of the rope, the object attached to the other end of the rope moves. Pulley systems can be used to lift heavy objects with less force. The main advantage of using a pulley system is that it allows the force to be applied in a different direction, making it easier to lift or move heavy objects.
 4. What is the relationship between work, force, and distance?
Ans. The relationship between work, force, and distance can be described by the equation W = F x d, where W is the work done, F is the force applied, and d is the distance the object moves in the direction of the force. This equation shows that the work done is directly proportional to the force applied and the distance the object moves.
 5. How does an inclined plane make work easier?
Ans. An inclined plane is a simple machine that consists of a sloping surface. It makes work easier by allowing objects to be moved vertically with less force. By spreading the force needed to move the object over a longer distance, the inclined plane reduces the amount of force required. For example, it is easier to push a heavy object up a ramp than to lift it straight up.

## Science Class 5

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