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Olympiad Test: Force and Energy - Class 6 MCQ


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10 Questions MCQ Test Science Olympiad Class 6 - Olympiad Test: Force and Energy

Olympiad Test: Force and Energy for Class 6 2024 is part of Science Olympiad Class 6 preparation. The Olympiad Test: Force and Energy questions and answers have been prepared according to the Class 6 exam syllabus.The Olympiad Test: Force and Energy MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Force and Energy below.
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Olympiad Test: Force and Energy - Question 1

Read the given statements and select the correct option.
Statement 1: Work is done only when an object moves in the direction of the applied force.
Statement 2: Pushing a wall with force results in work being done.

Detailed Solution for Olympiad Test: Force and Energy - Question 1

Work is done when a force causes an object to move. Pushing a wall that doesn't move does not result in work.

Olympiad Test: Force and Energy - Question 2

Neha pushes a toy car with a force of 5 Newtons and it moves a distance of 2 meters. How much work does she do?

Detailed Solution for Olympiad Test: Force and Energy - Question 2

Work = Force × Distance, so 5 N × 2 m = 10 Joules.

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Olympiad Test: Force and Energy - Question 3

Which of the following is not a property of gravitational force?
Statement 1: It is the force that attracts objects towards each other.
Statement 2: It always repels objects away from the Earth.

Detailed Solution for Olympiad Test: Force and Energy - Question 3

Gravitational force attracts objects towards each other, and does not repel objects away from Earth.

Olympiad Test: Force and Energy - Question 4

Read the given statements and choose the correct option.
Statement 1: Elastic force is what allows a stretched rubber band to return to its original shape.
Statement 2: Elastic force can only be observed in natural materials, not in man-made objects.

Detailed Solution for Olympiad Test: Force and Energy - Question 4

Elastic force does indeed cause a stretched rubber band to return to its shape, but it can also be observed in man-made materials.

Olympiad Test: Force and Energy - Question 5

What happens to a floating object due to buoyant force?
Statement 1: It is pushed downwards into the water.
Statement 2: It experiences an upward thrust.

Detailed Solution for Olympiad Test: Force and Energy - Question 5

Buoyant force is an upward force exerted by a fluid that opposes the weight of an immersed object.

Olympiad Test: Force and Energy - Question 6

Which statement about kinetic energy is correct?
Statement 1: Kinetic energy is the energy due to an object's position.
Statement 2: Kinetic energy is the energy an object has due to its motion.

Detailed Solution for Olympiad Test: Force and Energy - Question 6

Kinetic energy is the energy an object possesses due to its motion, not its position.

Olympiad Test: Force and Energy - Question 7

Consider these statements about levers.
Statement 1: In a first class lever, the fulcrum is between the load and the effort.
Statement 2: In a third class lever, the load is between the fulcrum and the effort.

Detailed Solution for Olympiad Test: Force and Energy - Question 7

In a first class lever, the fulcrum is indeed between the load and the effort, while in a third class lever, the effort is between the fulcrum and the load.

Olympiad Test: Force and Energy - Question 8

What does the law of conservation of energy state?
Statement 1: Energy can be created and destroyed.
Statement 2: Energy can only be transformed from one form to another.

Detailed Solution for Olympiad Test: Force and Energy - Question 8

The law of conservation of energy states that energy cannot be created or destroyed, only transformed.

Olympiad Test: Force and Energy - Question 9

Which statement is true about simple machines?
Statement 1: Simple machines include electronic devices like computers.
Statement 2: Simple machines make work easier by changing the direction or magnitude of a force.

Detailed Solution for Olympiad Test: Force and Energy - Question 9

Simple machines, such as levers and pulleys, change the direction or magnitude of a force to make work easier. They do not include complex electronic devices.

Olympiad Test: Force and Energy - Question 10

Regarding the pulley, which statement is correct?
Statement 1: A fixed pulley changes the direction of the applied force.
Statement 2: A movable pulley decreases the amount of effort needed to lift an object.

Detailed Solution for Olympiad Test: Force and Energy - Question 10

A fixed pulley changes the direction of the force applied, making it easier to lift objects. A movable pulley also decreases the amount of effort needed, as it distributes the weight of the load.

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