QUESTION 1 The overall net force acting on a leaf falling is due to the gravitational force and air resistance exerted on the leaf.
True False
QUESTION 2 What is the velocity of a person travelling 60 mph from New York City to Los Angeles?
60 mph
60 mph Southwest
not enough information about the motion of the person
The viscosity of water is much greater than the viscosity of molasses or honey.
True
False
Speed is the ratio of the distance an object moves to the motion of the object.
True
False
Both the applied force and the normal force are _________________ forces.
unbalanced
balanced
contact
non-contact
QUESTION 17
Which of the following is the best definition of inertia?
change in speed with time
amount by which two forces are unbalanced
resistance to changes in motion
3 points Save Answer
QUESTION 18
Pressure in a hydraulic system is achieved by applying the force of gravity on a gas.
True
False