Advertisements
Advertisements
प्रश्न
According to the third law of motion, action and reaction
पर्याय
always act on the same body
always act on different bodies in opposite directions
have the same magnitude and directions
act on either body at normal to each other
Advertisements
उत्तर
always act on different bodies in opposite directions
Explanation:
According to the third law of motion, action and reaction always act on different bodies in opposite directions.
APPEARS IN
संबंधित प्रश्न
A stone of 1 kg is thrown with a velocity of 20 m s−1 across the frozen surface of a lake and comes to rest after travelling a distance of 50 m. What is the force of friction between the stone and the ice?
Is the following statement true or false :
A rocket can propel itself in a vacuum.
What is the force which produces an acceleration of 1 m /s2 in a body of mass 1 kg ?
Do action and reaction act on the same body or different bodies ? How are they related in magnitude and direction ? Are they simultaneous or not ?
If a man jumps out from a boat, the boat moves backwards. Why ?
State Newton’s third law of motion and give two examples to illustrate the law.
Explain why, when a fireman directs a powerful stream of water on a fire from a hose pipe, the hose pipe tends to go backward.
“Wearing helmet and fastening the seat belt is highly recommended for safe journey” Justify your answer using Newton’s laws of motion.
Consider a frame that is made up of two thin massless rods AB and AC as shown in the figure. A vertical force `vec"P"` of magnitude 100 N is applied at point A of the frame.

Suppose the force is `vec"P"` resolved parallel to the arms AB and AC of the frame.
The magnitude of the resolved component along the arm AC is xN.
The value of x, to the nearest integer, is ______.
[Given: sin(35°) = 0.573, cos(35°) = 0.819, sin(110°) = 0.939, cos(110°) = –0.342]
What is the main characteristic of action and reaction forces?
