PhySci Chap 10 Motion

a "center seeking" force that causes an object to travel in a curved path.

Which of the following is NOT a form of assistance from a simple machine?

If a small and large object are both dropped from a building at the same time which of the following is true?

What is the name for the distance between the ridges on a screw?

The acceleration of gravity at the surface of the earth is:

this states the relationship between the hypotenuse and legs of a right triangle.

Any two objects attract each other with a force that depends on their masses and distance between them.

Physical quantities having magnitude but not direction are . . .

Name the resistance to an object's motion.

Under ideal conditions, a machine's work output is ________ its work input.

What is the actual mechanical advantage of a machine that lifts 1000 N box with only 250N?

What term refers to the gravitational force on an object near the surface of the earth?

What term refers to the branches of physics developed before the 20th century?

Which of the following does NOT affect the force of friction?

Which law states: The velocity of an object does not change unless it's acted upon by an external force.

what is the average speed of a car that travels 500 km in 10 hours?

What is the SI unit of force?

The "quantity of motion" of an object is this . . .

What term refers to a single vector showing the combined effect of two or more vectors?

The vector representing the change in an object's position is . . .

A man pushes an object with 300 N. of force without it ever moving. How much work has he done?

What is defined as distance traveled in a given time?

In physics, any change in speed, direction or both is . . .

Physical quantities having both magnitude and direction are . . .

What law states: For every action there is an equal and opposite reaction

Which law: overall external force on a system is zero, the momentum of the system remains constant.

If a moving walkway moves east at 40 cm/s and a man walks west on the walkway at 40 cm/s what is his total velocity?

The velocity at which the force of air resistance equals the objects weight is called this.

Isaac Newton published the laws of motion and universal gravitation in his book called:

The SI unit of power is the