Physics
Grade-8
Easy
Question
Mathematically represent, “The sum of momenta of the two objects before collision is equal to the sum of momenta after the collision, provided there is no external unbalanced force acting on them.”
The correct answer is:
Related Questions to study
Physics
“The sum of momenta of the two objects before collision is equal to the sum of momenta after the collision provided there is no external unbalanced force acting on them.” This statement belongs to:
“The sum of momenta of the two objects before collision is equal to the sum of momenta after the collision provided there is no external unbalanced force acting on them.” This statement belongs to:
PhysicsGrade-8
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A book is kept on a table. Gravity acts on the book and pushes it down. But the book does not go down. Why?
A book is kept on a table. Gravity acts on the book and pushes it down. But the book does not go down. Why?
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A book is kept on a table. Newton’s third law applies here.
A book is kept on a table. Newton’s third law applies here.
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“A ball falls on the ground and it bounces. Newtons third law applies on it.” Is the statement true or false?
“A ball falls on the ground and it bounces. Newtons third law applies on it.” Is the statement true or false?
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A man is playing with a ball. The force applied by the man on the ball is F1. The force applied by the ball on the man is F2. Which of the following is true?
A man is playing with a ball. The force applied by the man on the ball is F1. The force applied by the ball on the man is F2. Which of the following is true?
PhysicsGrade-8
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A bus with a mass of 2500 Kg travelling with an acceleration of 2 m/s2 hits a light pole. What force does the bus experience?
A bus with a mass of 2500 Kg travelling with an acceleration of 2 m/s2 hits a light pole. What force does the bus experience?
PhysicsGrade-8
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A driver hits a tree with a force of 20N. what force does the car experience?
A driver hits a tree with a force of 20N. what force does the car experience?
PhysicsGrade-8
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A football player hits a ball with a force of 25 N. What force does the ball experience?
A football player hits a ball with a force of 25 N. What force does the ball experience?
PhysicsGrade-8
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A person is moving forward while swimming by applying backward force on the water. What is the action force?
A person is moving forward while swimming by applying backward force on the water. What is the action force?
PhysicsGrade-8
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Observe the image. Which law diagrammatically say this?
Observe the image. Which law diagrammatically say this?
PhysicsGrade-8
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An inflated balloon’s mouth is tied with a thread. The thread is let loose. Newtons third law applies on it. Is the statement true or false?
An inflated balloon’s mouth is tied with a thread. The thread is let loose. Newtons third law applies on it. Is the statement true or false?
PhysicsGrade-8
Physics
A man pushes the wheel of his wheelchair with his hands. Newtons third law applies on it. Is the statement true or false?
A man pushes the wheel of his wheelchair with his hands. Newtons third law applies on it. Is the statement true or false?
PhysicsGrade-8
Physics
A girl is swinging on a to and fro swing. Newtons third law does not apply on it. Is the statement true or false?
- Newton's third law states that for every action force in nature there is an equal and opposite reaction force.
A girl is swinging on a to and fro swing. Newtons third law does not apply on it. Is the statement true or false?
PhysicsGrade-8
- Newton's third law states that for every action force in nature there is an equal and opposite reaction force.
Physics
Moon orbiting the Earth. Newtons third law act on it. Is the statement true or false?
Moon orbiting the Earth. Newtons third law act on it. Is the statement true or false?
PhysicsGrade-8
Physics
A person stops a ball. Newtons third law applies in stopping it. Is the statement true or false?
- A fast moving ball has a tendency to keep moving due to inertia.
- According to Newton's second law, the force with which ball is moving is equal to its mass multiplied by its acceleration.
- When we catch a ball, momentum of the ball is transferred from ball to hand.
A person stops a ball. Newtons third law applies in stopping it. Is the statement true or false?
PhysicsGrade-8
- A fast moving ball has a tendency to keep moving due to inertia.
- According to Newton's second law, the force with which ball is moving is equal to its mass multiplied by its acceleration.
- When we catch a ball, momentum of the ball is transferred from ball to hand.
