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Physics

Grade-8

Easy

Question

The following example follows law of conservation of momentum. Is the statement true or false?

true
False

Hint:

The formula for the law of conservation of momentum is: m 1 u 1 + m 2 u 2 = m 1 v 1 + m 2 v 2.

The correct answer is: true

Law of conservation of momentum states that for two or more bodies in an isolated system acting upon each other, their total momentum remains constant unless an external force is applied.

The formula for the law of conservation of momentum is: m 1 u 1 + m 2 u 2 = m 1 v 1 + m 2 v 2.

Yes statement is true

Related Questions to study

The following example follows law of conservation of momentum. Is the statement true or false?

true
False

The following example follows law of conservation of momentum. Is the statement true or false?

true
False

The following example follows the law of conservation of momentum. Is the statement true or false?

true
False

The following example follows the law of conservation of momentum. Is the statement true or false?

true
False

The following example follows the law of conservation of momentum. Is the statement true or false?

true
False

The following example follows the law of conservation of momentum. Is the statement true or false?

true
False

parallel

We can derive law of conservation of momentum from second law of motion.

True
False

We can derive law of conservation of momentum from second law of motion.

True
False

Law of conservation written as $m subscript 1 end subscript u subscript 1 end subscript plus m subscript 2 end subscript u subscript 2 end subscript equals m subscript 1 end subscript v subscript 1 end subscript plus m subscript 2 end subscript v subscript 2 end subscript$ Is about conservation of

Speed
Mass
Velocity
Momentum

Law of conservation written as $m subscript 1 end subscript u subscript 1 end subscript plus m subscript 2 end subscript u subscript 2 end subscript equals m subscript 1 end subscript v subscript 1 end subscript plus m subscript 2 end subscript v subscript 2 end subscript$ Is about conservation of

Speed
Mass
Velocity
Momentum

Newton’s third law of motion is used to derive Law of conservation of momentum. Is the statement true or false?

True
False

Newton’s third law of motion is used to derive Law of conservation of momentum. Is the statement true or false?

True
False

parallel

Law of conservation of momentum states that “Magnitude of the final momenta = magnitude of the initial momenta.” Is the statement true or false?

True
False

Law of conservation of momentum states that “Magnitude of the final momenta = magnitude of the initial momenta.” Is the statement true or false?

True
False

Law of conservation of momentum states that, “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. ”Is the statement true or false?

True
False

Law of conservation of momentum states that, “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. ”Is the statement true or false?

True
False

The velocity after and before collision is same. Is the statement true or false?

True
False

The velocity after and before collision is same. Is the statement true or false?

True
False

parallel

What is being depicted in the image:

Law of conservation of momentum
Law of conservation of acceleration
Law of conservation of velocity
Law of conservation of mass

What is being depicted in the image:

Law of conservation of momentum
Law of conservation of acceleration
Law of conservation of velocity
Law of conservation of mass

What is missing in this statement?
The sum of momenta of the two objects before collision is equal to the sum of momenta after the collision

no external force is acting on it
no internal force is acting on it
external force is acting on it
internal force is acting on it

What is missing in this statement?
The sum of momenta of the two objects before collision is equal to the sum of momenta after the collision

no external force is acting on it
no internal force is acting on it
external force is acting on it
internal force is acting on it

Mathematically state law of conservation of momentum.

$m_{1} u_{1} + m_{2} u_{2} = m_{1} v_{1} + m_{2} v_{2}$
$m_{1} v_{1} + m_{2} u_{2} = m_{1} u_{1} + m_{2} v_{2}$
$m_{1} u_{1} + m_{1} v_{1} = m_{2} v_{2} + m_{2} u_{2}$
$v_{1} u_{1} + v_{2} u_{2} = m_{1} v_{1} + m_{2} v_{2} + m_{1} u_{1} + m_{2} u_{2}$

Mathematically state law of conservation of momentum.

$m_{1} u_{1} + m_{2} u_{2} = m_{1} v_{1} + m_{2} v_{2}$
$m_{1} v_{1} + m_{2} u_{2} = m_{1} u_{1} + m_{2} v_{2}$
$m_{1} u_{1} + m_{1} v_{1} = m_{2} v_{2} + m_{2} u_{2}$
$v_{1} u_{1} + v_{2} u_{2} = m_{1} v_{1} + m_{2} v_{2} + m_{1} u_{1} + m_{2} u_{2}$

parallel

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.”

$m_{1} u_{1} + m_{2} u_{2} = m_{1} v_{1} + m_{2} v_{2}$
$m_{1} v_{1} + m_{2} u_{2} = m_{1} u_{1} + m_{2} v_{2}$
$m_{1} u_{1} + m_{1} v_{1} = m_{2} v_{2} + m_{2} u_{2}$
$v_{1} u_{1} + v_{2} u_{2} = m_{1} v_{1} + m_{2} v_{2} + m_{1} u_{1} + m_{2} u_{2}$

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.”

$m_{1} u_{1} + m_{2} u_{2} = m_{1} v_{1} + m_{2} v_{2}$
$m_{1} v_{1} + m_{2} u_{2} = m_{1} u_{1} + m_{2} v_{2}$
$m_{1} u_{1} + m_{1} v_{1} = m_{2} v_{2} + m_{2} u_{2}$
$v_{1} u_{1} + v_{2} u_{2} = m_{1} v_{1} + m_{2} v_{2} + m_{1} u_{1} + m_{2} u_{2}$

“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:

Law of conservation of momentum
Law of conservation of acceleration
Law of conservation of velocity
Law of conservation of mass

“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:

Law of conservation of momentum
Law of conservation of acceleration
Law of conservation of velocity
Law of conservation of mass

A book is kept on a table. Gravity acts on the book and pushes it down. But the book does not go down. Why?

An equal and opposite force is exerted by the table.
An unequal and opposite force is exerted by the table.
An equal force is exerted by the table.
An opposite force is exerted by the table.

A book is kept on a table. Gravity acts on the book and pushes it down. But the book does not go down. Why?

An equal and opposite force is exerted by the table.
An unequal and opposite force is exerted by the table.
An equal force is exerted by the table.
An opposite force is exerted by the table.

parallel

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