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Science Chapter 9 Quiz

A bright classroom with scientific diagrams on the wall, a chalkboard displaying forces and motion equations, and a student thinking about physics, vibrant colors, educational theme.

Test Your Knowledge of Forces and Motion

Challenge yourself with our engaging Science Chapter 9 Quiz! Perfect for students looking to reinforce their understanding of forces, motion, and momentum.

Key Features:

10 Multiple Choice Questions
Score as you go!
Understand core physics concepts

10 Questions2 MinutesCreated by JumpingPhysics74

1. What is the S.I. Unit of force?

Kg m/s

Kg m/s²

Newton

Newton meters

What do we get by the product of mass and velocity?

Force

Inertia

Newton

Momentum

A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to-

Exert large force on the ball

Increases the force exerted by the ball on hands

Increase the rate of change of momentum

Decrease the rate of change of momentum

4. In a rocket, a large volume of gases produced by the combustion of fuel is allowed to escape through its tail nozzle in the downward direction with the tremendous speed and makes the rocket to move upward. Which principle is followed in this take off of the rocket?

Moment of inertia

Conservation of momentum

Newton’s third law of motion

Newton’s law of gravitation

5. Which of the following statements is not correct for an object moving along a straight path in an accelerated motion?

Its speed keeps changing

Its velocity always changes

It always goes away from the Earth

A force is always acting on it

6. What is the formula for Second Law of Motion (momentum)? F

F = kma

F = mv - mu

P = mv

F = ma

7. A motor car is moving with a velocity of 108 km/hr and it takes 4 seconds to stop after the breakes applied. Calculate the force exerted by the brakes on the motor car if its mass along with passengers is 1000 kg.

-7000 N

-7500 N

-6500 N

-6000 N

8. Which of the following has more inertia?

A rubber ball

A stone

None of these

Both of these

9. What is the correct definition of momentum?

A tendency to do nothing or to remain unchanged

The quantity of motion of a moving body, measured as a product of its mass and velocity

None of these

Both of these

10. A passenger in a moving train tosses a coin which falls behind him. It means that motion of the train is-

Accelerated

Uniform

Retarded

Along circular tracks

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