WorksheetsForce and Motion review
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
1) What is a force?
a)
The separation between two points
b)
The force exerted on objects by gravity
c)
A push or pull
2.
2) The force that causes objects in motion to slow down and stop is called
a)
friction
b)
equilibrium
c)
intensity
3.
3) How do we calculate speed?
a)
Divide the distance traveled by time traveled
b)
Multiply the distance traveled by time traveled
c)
Divide the time traveled by distance traveled
d)
Divide the distance traveled by the instantaneous speed
4.
4) What does it mean when two cars travel exactly at the same speed?
a)
They both cover the same distance in the same amount of time
b)
They both are in motion
c)
They both will travel backwards in the direction of the arrow
5.
5) In the hockey puck lab, what does the arrow(also known as the vector) represent?y
a)
The arrow represents the intensity and the direction of the force
b)
The arrow represents the intensity of the force
c)
The arrow represents the direction of the force
6.
6) Newton's First Law tells us that an object in motion tends to stay in motion. Which of the choices below is an example of this?
a)
A couch will not move unless a force is applied to it
b)
When a car stops suddenly and your body keeps going forward until your seatbelt stops you.
c)
A book rests on a shelf and does not move until it is knocked off
7.
7) What unit do we use to measure force?
a)
grams
b)
milliliters
c)
Newtons
8.
8) If you and your friends are ice skating on perfectly smooth ice with ice skates that have zero friction on the ice, what will happen if you gently push your friend?
a)
Your friend will continue moving, forever, until a force stops him/her
b)
You friend will not move due to gravity
c)
Your friend will be at equilibrium
9.
9)Two students are holding a very large rubber band between them and they begin to pull the rubber band in opposite directions. If the forces are balanced and no motion is occurring, what state are they in?
a)
equilibrium
b)
unbalanced
c)
intensity
10.
10) If an object is at rest, how do you get it to move?
a)
You have to apply a force in order to get an object at rest to move
b)
You can not get it to move because an object at rest stays at rest
11.
11) What does a calibrated spring do?
a)
It measures weight
b)
It measures forces
c)
It measures weight and forces
12.
12) Students collided toy cars in the lab. These cars bounced off each other and moved backwards aft the collision. Where did the force come from to move each car backward?
a)
The force came from the opposite car
b)
The force came from gravity
c)
The force came from the car itself
13.
13) Newton’s Second Law tells us that
a)
An object at rest stays at rest
b)
The greater the weight of an object, the more force is needed to move it
c)
For every action, there is a reaction
14.
14) For every action, there is an equal and opposite
a)
Force
b)
Reaction
c)
Newton
15.
15) The force of an action sends a reaction in the opposite
a)
Direction
b)
Gravity
c)
Equal
16.
16) The more _____________ an object has, the more force it takes to move it.
a)
Mass
b)
Friction
c)
Balance
17.
17) The scientist who came up with the three laws of motion.
a)
Galileo
b)
Newton
c)
Copernicus
18.
18) If you exert the same force on two objects of different masses, which object will stay in motion longer?
a)
The lighter object
b)
The heavier object
c)
They will both stay in motion for the same amount of time
19.
19) All of the following are examples of outside forces that can cause an object to slow down, EXCEPT for
a)
Friction
b)
Gravity
c)
Air resistance
d)
Reaction
20.
20) When forces are unbalanced, ______________results.
a)
Balanced
b)
Equilibrium
c)
Motion
21.
21) Which is an example of a situation where you WANT low friction materials?
a)
Basketball sneakers
b)
Ice skates
c)
Bike tires
d)
Car tires
22.
22) Which is an example of a situation where you want high friction materials?
a)
Basketball sneakers
b)
Ice skates
c)
Sled
d)
Slide
23.
23) Which one is NOT a type of friction?
a)
Sliding
b)
Static
c)
Fluid
d)
Running
24.
24) Factors that affect friction include all of the following EXCEPT?
a)
Type of surface
b)
How hard the object is pushed
c)
The weight of the object
d)
The color of the object
25.
25) How can friction be reduced?
a)
By adding lubricant
b)
By adding weight
c)
By adding color
d)
By adding glue
26.
26) Gravity is a _____________ between objects and depends on an object’s size and their distance apart.
a)
Force
b)
Weight
c)
Mass
d)
Distance
27.
27) What causes the ocean tides to change from high tide to low tide?
a)
The earth’s gravitational pull
b)
The moon’s gravitational pull
c)
The gravitational pull between water
d)
The organisms that live in the water
28.
28) If OPPOSITE poles ( N and S) of a magnet are place near each other, what happens?
a)
They will repel each other
b)
They will attract each other
c)
They will cancel each other out
d)
They will not impact each other
29.
29). True or False: Magnets need to touch something to apply a force.
a)
True
b)
False
30.
30) How are magnetism and static electricity similar?
a)
Magnets can push or pull
b)
Static electricity can push or pull
c)
Both are true.
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