F physics

Which is the gravitational force experienced by an object?

• mass

• Weigth

• drag

Near Earth’s surface, which is the value of the gravitational field, g, toward Earth’s center

• both are correct

• 8.9n/kg

• 9.8 m/s2

Which is the condition where there are no contact forces acting to support the object, and the object’s apparent weight is zero?

• weight

• Weightlessness

• Apparent weight

Which is the force exerted by a fluid on an object opposing motion through the fluid?

• Drag force

• tension

• Friction

Which is the constant velocity that is reached when the drag force equals the force of gravity?

• apparent velocity

• Exit velocity

• terminal velocity

as temperature increase viscosity will

• not affected

• decrease

• increase

which is more viscose

• Juice

• Oil

• water

Which is the force exerted by a string or rope?

• Normal force

• Tension

• interaction pair

Which is the perpendicular contact force exerted by a surface on another object?

• Normal force

• interaction pair

• Tension

The perpendicular contact force that a surface exerts on another surface is the………………….