Force and Pressure class 8 MCQ TEST 5

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Kerala PSC

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External forces are: - May or may not be balanced

How many dynes are equal to 1N? - 10^5

SI unit of force is: - newton

How much force is required to lift a mass of 100g: - 1N

If a rock is brought from the surface of the moon: - Its weight will change, but not mass

CGS unit of force is ______. - dyne

To draw water from the well we have to ______ the rope. - pull

Muscular force is a ______ force - contact

Friction force is a ______ force. - Contact

The north pole of a magnet ______ the north pole of another magnet. - Repel

Gravitational force is type of contact force. - False

Mass of a body is never zero. - True

Weight of a body remains same always. - False

Newton and kg * m/s^2 both are the units of force. - True

Normal force is a contact force. - True