Gravitational force is a non-contact force. For action of gravitational force, contact with an object is not required. The force of gravity acts on all object at all the time even while not in contact with the earth.
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Similar Questions
Q1
By calculating work done in a closed path, show that gravitational force is a conservative force while friction is a non-conservative force.
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Q2
Classify the following amongst contact and non-contact forces: (a) frictional force, (b) Normal reaction (c) force of tension in a string, (d) gravitational force, (e) electrostatic force, (f) magnetic force.
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Q3
Which of the following is/are a non-contact force(s)?
1. Gravitational force
2. Electrostatic force
3. Muscular force
4. Magnetic force
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Q4
Gravitational force is a _____ force.
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Q5
Assertion (A): A work done by the gravitational force is zero in closed path. Reason (R) : Gravitional force is a conservative force.