Force And Motion 1 Question Preview (ID: 34225)


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What is an object that appears to stay in place that helps you detect motion in another object?
a) newton
b) lubricant
c) black hole
d) reference point

Which is an example of friction that is helpful?
a) car engine parts wearing out
b) tires moving a car forward on a road
c) holes developing in your socks
d) the erosion of soil by wind

To calculate an object's acceleration, you need to know
a) distance and speed
b) starting point, end point, and mass
c) starting velocity, final velocity, and time
d) average speed and distance

The gravitational pull is greater between two objects that
a) have greater masses
b) have rougher surfaces
c) are farther apart
d) are moving at greater speed

What is the net force on an object when you combine a force of 10N north with a force of 5N south?
a) 5N south
b) 50N north
c) 15N north
d) 5N north

Mass is
a) different on the moon than on Earth
b) a measure of gravitational force
c) a measure of the amount of matter
d) measured in Newtons

Dividing the total distance traveled by the total time is how to calculate
a) speed
b) velocity
c) acceleration
d) motion

The difference between speed and velocity is...
a) velocity involves time, speed does not
b) speed involves time, velocity does not
c) velocity has direction, speed does not
d) speed has direction, velocity does not

To produce change in motion, a force must be an
a) balanced force
b) unbalanced force
c) frictional force
d) gravitational force

When a mover puts furniture on a dolly with wheels, which type of friction is the mover using to make his job easier?
a) static friction
b) sliding kinetic friction
c) rolling kinetic friction
d) gravitational friction

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