Chapter 11, Part 2 Question Preview (ID: 45384)


Force And Newton's Law. TEACHERS: click here for quick copy question ID numbers.

A feather falls through the ar more slowly than a brick because of ________________ .
a) gravity
b) air resistance
c) inertia
d) momentum

To describe velocity, you need to know _________________.
a) speed and direction
b) speed and time
c) direction and acceleration
d) speed and acceleration

If gravity did not affect the path of a horizontally thrown ball, the ball would ____________________ .
a) go straight up
b) travel horizontally
c) fall straight down
d) follow a curved path

Momentum is a measure of _____________________ .
a) how hard it is to stop an object
b) the amount of matter in an object
c) the tendency of an object to change its motion
d) the amount of force acting on an object

Air resistance ________________ as you move faster.
a) increases
b) decreases
c) remains the same
d) eventually disappears

A 300-N force acts on a 25-kg object. The acceleration of the object is _____________________ .
a) 7,500 m/s2
b) 300 m/s2
c) 25 m/s2
d) 12 m/s2

Newton's first law of motion states that an object remains at rest unless a ______________ force acts on it.
a) balanced
b) frictional
c) gravitational
d) net

When amino acids are linked together, the molecule formed is a __________________________ .
a) carbohydrate
b) lipid
c) protein
d) polyalcohol

When Object A collides with object B and bounces back, its final momentum is _________________ its initial momentum.
a) greater than
b) less than
c) in the same direction as
d) in the opposite direction of

If you exert a force on an object in motion you will change its ______________________ .
a) mass
b) weight
c) inertia
d) momentum

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