The separation of cream from milk by churning is due to
A. gravitational force
B. cohesive force
C. centrifugal force
D. None of these
Answer: Option C
A. gravitational force
B. cohesive force
C. centrifugal force
D. None of these
Answer: Option C
Newton's Third Law of Motion applies to which of the following situations?
A. When a person jumps from the boat to the river, the boat goes backwards
B. Passengers standing in a bus fall in the back direction, when the stationary bus suddenly moves
C. When a person falls on the cement floor, he gets hurt
D. While catching a fast moving cricket ball, a fielder puts his hands backwards
For every action there is an equal and opposite reaction. The law was given by
A. Newton
B. Albert Einstein
C. Bohr
D. Handane
Newton's second law of motion:
A. Explains the relationship between forces on two mutually effective objects
B. Also known by the law of inertia
C. It is helpful to understand the effects of force
D. Also known by the law of conservation of energy
A. centrifugal force
B. inertia
C. centripetal force
D. gravitational force
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