Force And Motion 1 Question Preview (ID: 56005)


Force And Motion. TEACHERS: click here for quick copy question ID numbers.

What is the net force of 20 N Left and 20 N Right
a) 40 N left
b) 40 N right
c) Zero N
d) 10 N up

Which one will change an object's motion?
a) balanced force
b) unbalanced force
c)
d)

Equal forces in opposite directions is a
a) balanced force
b) unbalanced force
c)
d)

Gravity will
a) Cause objects to get closer together.
b) cause objects to get further apart.
c)
d)

Friction always acts
a) In the same direction as the motion
b) in the opposite doirection of the motion
c)
d)

Friction is a
a) Contact force
b) non-contact force
c)
d)

Friction occurs when an object is rubbing against another object.
a) true
b) false
c)
d)

Which ones is not a contact force?
a) Pulling a wagon
b) Throwing a baseball
c) chewing gum
d) Gravity pulling a book to the ground

Which one is a non-contact force?
a) Gravity
b) Electricity
c) Magnetism
d) all of these

A non-contact force is a force where you put a push or a pull on the object while touching it.
a) true
b) false
c)
d)

A non-contact Force is a force where you put a push or a pull on an onbject without touching it.
a) true
b) false
c)
d)

A contact Force is a push or a pull where you DO touch the object.
a) true
b) false
c)
d)

A contact force is a push or a pull where you DO NOT touch the object.
a) true
b) false
c)
d)

What units do we measure a force in?
a) Pounds
b) watts
c) Newtons
d) Kilograms

A force is a
a) Push
b) Pull
c) Both a push or a pull
d) neither a push or a pull

What do you need to describe a force?
a) Strength
b) Direction
c) Both the strength and direction
d) neither the strength or direction

A net force is the total forces acting on an object.
a) true
b) false
c)
d)

The reference point is the object that you use to determine if an object is in motion
a) true
b) false
c)
d)

An object is in motion if
a) The mass changes
b) The distance changes from the reference point
c) The weight changes
d) The size changes

What is the net force of 5 N East and 2 N west
a) 7 N west
b) 7 N East
c) 3 N East
d) 3 N west

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