What is meant by inertia?

Important Questions on Force and Laws of Motion

MEDIUM

9th CBSE

IMPORTANT

Physics>Chapter 2 - Force and Laws of Motion>CLASS ASSIGNMENT 1>Q 8

Which of the following has more inertia?
(a) A plastic eraser or a pencil (b) A football or stone of the same size.

EASY

9th CBSE

IMPORTANT

Physics>Chapter 2 - Force and Laws of Motion>CLASS ASSIGNMENT 1>Q 9

Why do passengers tend to fall sideways when the bus takes a sharp turn?

MEDIUM

9th CBSE

IMPORTANT

Physics>Chapter 2 - Force and Laws of Motion>CLASS ASSIGNMENT 1>Q 10

Why do passengers in a bus tend to fall backward when it starts suddenly?

EASY

9th CBSE

IMPORTANT

Physics>Chapter 2 - Force and Laws of Motion>CLASS ASSIGNMENT 1>Q 11

How many types of inertia do the material bodies have?

MEDIUM

9th CBSE

IMPORTANT

Physics>Chapter 2 - Force and Laws of Motion>CLASS ASSIGNMENT 1>Q 12

State the Newton's first law of motion. How does this law define force?

MEDIUM

9th CBSE

IMPORTANT

Physics>Chapter 2 - Force and Laws of Motion>CLASS ASSIGNMENT 2>Q 1

State Newton's second law of motion. Show that force is equal to the product of the mass of the body and acceleration produced in the body.

EASY

9th CBSE

IMPORTANT

Physics>Chapter 2 - Force and Laws of Motion>CLASS ASSIGNMENT 2>Q 2

Define the momentum of a body. What are the units of momentum?

MEDIUM

9th CBSE

IMPORTANT

Physics>Chapter 2 - Force and Laws of Motion>CLASS ASSIGNMENT 2>Q 3

How is the change in momentum related to the force?