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a) Pressure.
b) Force.
c) Volume.
d) Density.

##### Force should be applied on a scale placed between two bricks by putting the weight

a) At the corner of the scale.
b) At the centre of the scale.
c) Near the first brick.
d) Near the second brick.

##### Astronauts wear special suits while floating in space due to

a) Presence of atmospheric pressure.
b) Absence of atmospheric pressure.
c) Presence of gravitational force.
d) Absence of gravitational force.

##### Frictional force acts in the direction

a) Of applied force.
b) Of the motion.
c) Opposite to the direction of motion.
d) Perpendicular to the motion.

##### In a tug-of-war, when two teams pull equally hard, the rope

a) Moves towards the first team.
b) Moves towards the second team.
c) Remains stationary.
d) Breaks.

##### A minus sign of force implies that the

a) Force is exerted on some other object.
b) Force is in opposite direction to that of the motion.
c) Force is in the same direction to that of the motion.
d) Gravitational force is acting on the object.

a) Newton.
b) Dyne.
c) Kg-wt.
d) Kg.

##### Gravitational force acts between

a) The sun and the planets only.
b) The earth and the moon only.
c) The various bodies in the universe.
d) The sun and the earth only.

##### The relation between mass and force in S.I. unit is

a) 1 N = 1 kgf.
b) 1 N = 9.8 kgf.
c) 9.8 N = 1 kgf.
d) 9.8 N = 9.8 kgf.

##### The force which cannot

a) Magnetic force.
b) Electrostatic force.
c) Gravitational force.
d) Frictional force.

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