Forces And Motion Test Question Preview (ID: 33519)


Unit 3: Forces And Motion Test Review. TEACHERS: click here for quick copy question ID numbers.

The force that one surface exerts on another when the two rub against each other is called
a) friction
b) acceleration
c) gravity
d) inertia

What happens when two forces act in the same direction?
a) the stronger one pervails
b) their sum divided by two is the total force
c) they add together to create the net force
d) they cancel each other out

The force that pulls falling objects toward Earth is called
a) gravity
b) air resistance
c) acceleration
d) free fall

The tendency of an object to resist change in its motion is known as
a) inertia
b) balance
c) mass
d) force

When an objects distance from another is changing
a) it is accelerating
b) it is in motion
c) it is speeding
d) it has a high velocity

Changing direction is an example of a kind of
a) constant rate
b) acceleration
c) speed
d) velocity

On a graph showing distance vs. time, a horizontal line represents an object that is
a) decreasing speed
b) moving at a constant pace
c) increasing its speed
d) not moving at all

How can you increase the momentum of an object?
a) by increasing its mass
b) by decreasing its velocity
c) by decreasing its acceleration
d) by increasing its friction

If an object moves in the same direction and at a constant speed for 4 hours, which of the following is true?
a) the object's speed changed during the 4 hours
b) the object's velocity did not change.
c) the object accelerated during the 4 hours
d) the object decelerated during the 4 hours.

The achievement of lifting a rocket off the ground and into space can be explained by
a) newtons 3rd law
b) the law of conservation of momentum
c) newtons 2nd law
d) newtons 1st law

Which of these is an example of negative acceleration?
a) an airplane following a straight flight path
b) a car approaching a red light
c) a baseball released by a pitcher
d) a bird taking off for flight

According to Newton's third law of motion, when a hammer strikes and exerts force on a nail, the nail
a) creates friction with the hammer
b) disappears into the wood
c) exerts an equal force on the hammer
d) moves at a constant speed

If a bicyclist travels 30 km in 2 hours, her average speed is
a) 2 km/hr
b) 60 km/hr
c) 30 km/hr
d) 15 km/hr

A place or object used for comparison to determine is something is in motion is called
a) velocity
b) a reference point
c) a constant
d) a position

The greater the mass of an object,
a) the more balanced it is
b) the greater the inertia
c) the easier the object starts moving
d) the more space it takes up

Which of the following is an example of increasing friction?
a) waxing skiis
b) adding grease to gears on a bike
c) oiling a squeaky door
d) throwing sand on an icy driveway

In graphing motion, the steepness of the line depends on
a) how far the object moved
b) when the object began moving
c) how quickly or slowly the object is moving
d) the direction the object is moving

If the speed of an object does NOT change, the object is traveling at a
a) decreasing speed
b) constant speed
c) increasing speed
d) average speed

A train that travels 100 kilometers in 4 hours is traveling at what average speed?
a) 50 km/hr
b) 25 km/hr
c) 100 km/hr
d) 2 km/hr

Which of the following is an example of exerting a force?
a) a train speeding down a track
b) a child running through a field
c) a carpenter hammering a nail
d) an airplane soaring through the sky

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