Advertisements
Advertisements
Question
Consider a book lying on a table. The weight of the book and the normal force by the table in the book are equal in magnitude and opposite in direction. Is this an example of Newton's third law?
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
When a carpet is beaten with a stick, dust comes out of it. Explain.
A batsman hits a cricket ball which then rolls on a level ground. After covering a short distance, the ball comes to rest. The ball slows to a stop because ______.
Fill in the following blank with suitable word :
Newton’s first law of motion is also called Galileo’s law of ………………………
State Newton’s first law of motion. Give two examples to illustrate Newton’s first law of motion.
The acceleration of a particle is zero, as measured from an inertial frame of reference. Can we conclude that no force acts on the particle?
Neglect the effect of rotation of the earth. Suppose the earth suddenly stops attracting objects placed near its surface. A person standing on the surface of the earth will.
A force F1 acts on a particle accelerating it from rest to a velocity v. Force F1 is then replaced by F2 which decelerates the particle to rest.
The force exerted by the floor of an elevator on the foot of a person is more than the weight of the person if the elevator is
(a) going up and slowing down
(b) going up and speeding up
(c) going down and slowing down
(d) going down and speeding up
An object of mass 2 kg is sliding with a constant velocity of 4 m/s on a frictionless horizontal table. The force required to keep this object moving with the same velocity is :
State Newton's first law of motion.
Explain the following :
After alighting from a moving bus , one has to run for some distance in the direction of bus in order to avoid falling .
What do you mean by inertia of motion?
The amount of inertia of a body depends on its _________.
Give two examples of the following:
Inertia of rest
Give two examples of the following:
Inertia of motion
When a bus suddenly takes a tum, the passengers are thrown outwards because of
What is the significance of Newton’s first law?
What does inertia measure in an object?
When does an object accelerate?
