The question describes a scenario involving forces during swimming. This scenario is a direct application of Newton's Third Law of Motion.
Newton's Third Law Explanation
Newton's Third Law states that for every action, there is an equal and opposite reaction.
- Action: The swimmer exerts a force by pushing the water backward.
- Reaction: The water exerts an equal and opposite force on the swimmer, pushing the swimmer forward.
Therefore, the force that propels the swimmer forward is the reaction force exerted by the water on the swimmer.
Identifying the Correct Force
Based on Newton's Third Law:
- The swimmer pushes water backward (Action).
- The water pushes the swimmer forward (Reaction).
Option 1 correctly identifies this reaction force.
Options 2, 3, and 4 are incorrect because they misidentify the direction of the reaction force or the source of the propulsive force.
The correct option is 1: Water pushes the swimmer forward.
Important Questions from Motion
The motion of a particle of mass m is described by the relation, y = ut - 1⁄2 gt2, where u is the initial velocity of the particle. The force acting on the particle is
The motion of ______ body is an example of uniformly accelerated motion.
- in a particular direction is velocity.
Motion of an object is if its velocity is constant.
The motion of the body moving along a circular path is an example of ______.
