Newton's Laws Of Motion

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What happens to a body when it is in a state of inertia of rest?

It remains at rest and cannot start moving by its own (correct)

It accelerates in a random direction

It starts moving on its own

It changes its direction suddenly

What is the type of inertia that prevents a body from changing its direction of motion?

Inertia of motion

Inertia of direction (correct)

Inertia of rest

Types of inertia

What happens to a person standing in a bus when it suddenly starts moving?

The person is thrown forward

The person jumps out of the bus

The person is thrown backward (correct)

The person remains stationary

What is the reason for the coin falling into the glass in the experiment with a coin on a smooth piece of cardboard covering a glass?

Inertia of rest of the coin Signup and view all the answers

What is the characteristic of a body that is in a state of uniform motion?

It remains in motion unless acted upon by an external force Signup and view all the answers

What is the law that defines inertia?

Newton's First Law Signup and view all the answers

Why does a passenger in a bus or train tend to fall forward when it stops suddenly?

The passenger's upper body continues its motion due to inertia of motion Signup and view all the answers

What is the definition of inertia of motion?

The inability of a body to change its state of uniform motion Signup and view all the answers

What is the reason for dust particles falling off a durree when it is beaten with a stick?

The durree is moving, but the dust particles tend to remain at rest Signup and view all the answers

What is the type of inertia that prevents a body from changing its direction of motion by itself?

Inertia of direction Signup and view all the answers

What is the primary characteristic of a point object?

It covers a distance much greater than its own size during motion Signup and view all the answers

What is inertia, according to Newton's laws of motion?

A property of a body that resists changes in its motion Signup and view all the answers

What is the correct formula for linear momentum?

Momentum = mass × velocity Signup and view all the answers

What is a key difference between an object at rest and an object in motion with the same mass?

Both objects have the same inertia Signup and view all the answers

What is the direction of linear momentum?

The same as the direction of velocity Signup and view all the answers

What is the net force required to change the velocity of a body from 5 m/s to 10 m/s in 2 seconds if its mass is 20 kg?

200 N Signup and view all the answers

A car of mass 500 kg is moving with a velocity of 20 m/s. If the brakes are applied, what is the minimum force required to stop the car in 10 seconds?

10000 N Signup and view all the answers

What is the change in momentum of a body of mass 10 kg when its velocity increases from 2 m/s to 5 m/s?

30 kg m/s Signup and view all the answers

A body of mass 20 kg is moving with a velocity of 10 m/s. If a force of 50 N is applied to it, what is the resulting acceleration?

2.5 m/s^2 Signup and view all the answers

What is the velocity of a body of mass 50 kg after a force of 100 N is applied to it for 5 seconds, if it was initially at rest?

10 m/s Signup and view all the answers

What is the primary reason for the stone flying off along the tangent to the circle when the string breaks suddenly?

The stone's inertia of direction Signup and view all the answers

Which of the following best explains why a person sitting in an open car moving at constant velocity throws a ball vertically up into the air and it falls exactly in their hand?

The ball's horizontal velocity is the same as the car's Signup and view all the answers

What is the net force acting on a body that is in a state of uniform motion?

Zero Signup and view all the answers

When a car takes a sudden turn, what is the primary reason for the passengers being thrown outwards?

The passengers' inertia of direction Signup and view all the answers

What is the relationship between the force applied to a body and its resulting acceleration, according to Newton's Second Law?

The force is directly proportional to the acceleration Signup and view all the answers

What is the direct consequence of a body being in a state of inertia of motion?

It will maintain its velocity Signup and view all the answers

A body is moving in a straight line with a constant velocity. What can be inferred about the net force acting on it?

The net force is zero Signup and view all the answers

A car is moving in a circle with a constant speed. Which type of inertia is responsible for it continuing to move in a circle?