A body of mass 5 kg rest on a smooth plane inclined plane at 30° to the horizontal. what are the magnitude of force p applied along the plane which keeps it from sliding down and the normal reaction between the plane the body? ​

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?