Assertion- velocity of an object thrown vertically upwards decreases till it reaches the highest point. Reason- Acceleration due to gravity retards the motion of object.
Answers
Answer:
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Assertion- velocity of an object thrown vertically upwards decreases till it reaches the highest point. Reason- Acceleration due to gravity retards the motion of object.
A - Both A and R are true and R is the correct explanation of A.
B - Both A and R are true but R is NOT the correct explanation of A.
C - A is true but R is false.
D - A is false but R is true.
E - Both A and R are false.
Answer:
The correct option is A - Both A and R are true and R is the correct explanation of A.
Explanation:
Assertion
- It states that the velocity of an object thrown vertically upwards decreases till it reaches the highest point. This is because the object is moving against the force of gravity, which acts to slow down its upward velocity.
- As the object moves higher, its velocity decreases until it comes to a stop at the highest point.
Reason
- The reason given for the assertion is that the acceleration due to gravity retards the motion of the object. This is also true, as gravity acts as a force that opposes the motion of the object, slowing it down as it moves upwards.
- The acceleration due to gravity is always directed downwards, which means that it acts against the upward motion of the object.
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