EASY
9th CBSE
IMPORTANT
Earn 100

Why a glass pane of a window is shattered when a flying pebble hits it?

Important Questions on Forces and Laws of Motion

EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 6
A Javelin thrower is marked foul if the athlete crosses over the line marked for the throw. Explain why athletes often fail to stop themselves before that line?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 7
Which has more inertia a bicycle or a train and why?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 8
Name the force that is responsible for change in position or state of motion of an object. Unbalanced force or balanced force?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 9
A passenger in a moving car slips to one side of the seat when the car takes a sharp turn. Give reason.
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 10
Why are wheels of vehicles provided with mudguards?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 11
Cars are provided with seat belts. Why?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 12
Is momentum a scalar or vector quantity?
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 2 - Forces and Laws of Motion>Assignment>Q 13
Name the physical quantity which changes the shape of a ball.