D: 600 N
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Five blocks have the same mass but different base areas. They all rest on a horizontal table. A graph is plotted to s…
The diagram shows the levels X and Y in a liquid manometer with the gas tap open. What is the pressure of the gas sup…
A car moves in a circle at constant speed. What is the direction of the resultant force acting on the car?
Which changes both cause a decrease in the resistance of a copper wire?
The diagram shows a circuit. What is the reading on the ammeter when the switch is open, and the reading when it is c…
The diagram shows a circuit. The lamp is a 12W lamp and is working at normal brightness. What are the readings on the…