click below
click below
Normal Size Small Size show me how
ch.6 powerpoint 5-7
powerpoint questions
Question | Answer |
---|---|
What is the equation when the force is perpendicular to the surface area? | pressure equals force over area of application |
What is one newton per square meter called? a.pascal b.newton c.force | a.pascal |
What is measured in newtons per square meter?a.force b.acceleration c.pressure | c.pressure |
What else does the position of a bood affect besides the area? a.direction b.pressure c.weight | b.pressure |
Force and mass are the same but what part is the same? a.fraction b. decimal c.ratio | c.ratio |
When did a 10kg cannonball and a 1kg stonehit the ground when dropped from a tall building? a.the stone hit first b.at the same time c.the cannonball hit first | b.at the same time |
WHere do a feather and a coin fall with equal accelaerations? a.vacuum b.air c.in a liquid | a.vacuum |
When does a falling object not continue to increase? a.air resistance is greater than the weight b.air resistance equals the weight c.air resistance is less than the weight | b.air resistance equals the weight |
What two things does terminal speed depend on for it to change? a.force and weight b.gravity and orientation c.weight and orientation | c.weight and orientation |
If two objects of different weights are droped from a great distance which will hit the ground first? a.the lighter one b.the heavier one c.at the same time | b.the heavier one |