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Question

1. Which of the following forces is a constant force?
a) Gravitational b) Frictional c) Magnetic d)electrostatic
2. The force that resists motion on the ground is
a)magnetic b) elastic c) gravitational d)friction
3. Electrostatic force is exerted by a charged body on
a) another charged body only
b) another uncharged body only
c) metallic body only
d)another charged or uncharged body.
4. A force has
a)only direction
b) only magnitude
c) both magnitude and direction
d) neither magnitude nor direction

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Solution

1. b Frictional Force(as it does not depend on distance)
2. d. Friction
3. a. Another charged body
4. c. Both magnitude and direction.


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