Question:
A body is imparted motion from rest to move in a straight line. If it is then obstructed, by an opposite force, then
A body is imparted motion from rest to move in a straight line. If it is then obstructed, by an opposite force, then
Updated On: Jul 5, 2022
- the body may necessarily change direction
- the body is sure to slow down
- the body will necessarily continue to move in the same direction at the same speed
- None of the above
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The Correct Option is B
Solution and Explanation
The opposing force must cause retardation, due to which the body is sure to slow down
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Concepts Used:
Motion in a straight line
The motion in a straight line is an object changes its position with respect to its surroundings with time, then it is called in motion. It is a change in the position of an object over time. It is nothing but linear motion.
Types of Linear Motion:
Linear motion is also known as the Rectilinear Motion which are of two types:
- Uniform linear motion with constant velocity or zero acceleration: If a body travels in a straight line by covering an equal amount of distance in an equal interval of time then it is said to have uniform motion.
- Non-Uniform linear motion with variable velocity or non-zero acceleration: Not like the uniform acceleration, the body is said to have a non-uniform motion when the velocity of a body changes by unequal amounts in equal intervals of time. The rate of change of its velocity changes at different points of time during its movement.