WorksheetsUnit 7 Motion and force
Total questions: 70
Worksheet time: 2hrs 42mins
If you are solving for the distance, you would calculate the...
time divided by speed
speed divided by time
speed multiplied by time
distance multiplied by speed
The formula for Speed is...
Speed = distance/ time
Speed = time/ distance
Which of the following could be a correct answer for solving for the time?
t= 4 kilometers
t = 4 km/hr
t = 4 hr
t = 4hr/km
If Sally is speeding through the parking lot at 18m/hr, and she travels 9 m, how long did it take her?
2 m/hr
0.5 hr
2 m
0.5 m
If Emma is running for 8 minutes at 2 miles/min, how far did she run?
4 miles
16 min
16 miles
0.5 min
Runner1- 20 yards in 4 secs
Runner2- 20 yards in 5 secs
Runner3- 20 yards in 10 secs
Runner 2= 2
Runner 3=3
Runner 2 = 1
Runner 3 = 3
Runner 2 = 2
Runner 3 = 1
Runner 2 = 3
Runner 3 = 2
What is the speed of a bus that travels 250 km in 2 hours?
Formula ?
Answer ?
S= D/T
125km/hr
S= T/D
521km/meters
S=D/T Km/hr
All fo the above
Motion is
a word that rhymes with ocean.
an object's change in its speed to a reference point.
an object's change in position to a reference point.
an object's change in position to its rate of speed.
A reference point is
the object that appears to stay in place.
the number to the right of the decimal point.
the object that appears to be in motion.
is calculated by using speed, distance, and time.
the unit of acceleration is
(m/s2)
jouls
m
s
A negative acceleration means that your object is
constant
speeding up
at rest
slowing down
A positive acceleration means that your object is
at rest
speeding up
moving
slowing down
A bus starts from rest and accelerates to 14 m/s in 4 s. What is the average acceleration of the bus?
3.5 m/s2
5.9 m/s2
10.5 m/s2
24 m/s2
Forces that have a net force of zero Newtons
Balanced force
Unbalanced force
A ____________ is a push or a pull on an object.
friction
force
magnet
gravity
What is the unit to MEASURE force?
Kilogram
Meter
Pounds
Newton
As the distance between two objects increases, the pull of gravity...
Increases
Decreases
Stays the same
Two factors affecting the magnitude of the force of gravity between 2 objects are...
mass and distance
mass and matter
distance and weight
weight and mass
A soccer ball is sitting in the middle of a field. The ball will remain at rest until an outside force like a players foot or the wind acts upon it. Which of Newton's laws is represented by this?
1st
2nd
3rd
Think about pushing a shopping cart and a car. If you apply the same amount of force to both, the shopping cart will travel fast, but the car will hardly move. To move the car yo would need a larger force. Which of Newton's laws is being represented?
1st
2nd
3rd
Sally jumps on her trampoline. She exerts a force on the trampoline and the trampoline exerts an equal but opposite force back on Sally. This represents
Law 1
Law 3
Law 2
What Newtons law does this picture represent
Newtons 1st law
Newtons 2nd law
Newtons 3rdt law
Newtons 4rth law
Which law explains that it would take more force to push the car than the lawnmower?
1st
2nd
3rd
There is a skateboard rolling and then Billy steps on it and it stops. What Law of motion is this?
3rd
2nd
1st
When you are running. your foot exerts force on the ground and the ground exerts force back onto you. Which of Newton's laws is represented
1st
2nd
3rd
What is the mass of an object if it takes a net force of 40 N to accelerate at a rate of 0.88 m/s?
454.5 Kg
0.02 Kg
35.2 Kg
45.45 Kg
How much force is required to accelerate a 795 Kg car by 15 m/s/s?
.02 N
11925 N
53 N
1,192.5 N
Friction always (a) the motion.
Friction can be reduced by using...
Oil
Grease
Powder
All of these
Friction depends on...
Roughness of a surface
Size
Weight
All of these
Smooth surface has..
More friction
Less friction
None of these
Friction is a...
non-contact force
contact force
magnetic force
electrostatic force
Which term refers to the speed of an object in a particular direction?
Average speed
Direction
Speed
Velocity
What is the term used to describe the rate of motion or how fast something moves?
Displacement
Distance
Speed
Velocity
Students are tasked with measuring the speed of marbles being rolled across a flat surface. Which tools should they use to measure the marbles speed with the least number of instruments? Select TWO correct answers.
string
protractor
meter stick
magnifying glass
stopwatch
Match the description to the graph:
"The car is coming back."
What is this graph showing?
Gradually slowing down
Gradually speeding up
Constant speed
Stopped
What is this graph showing?
Constant speed
Gradually speeding up
Gradually slowing down
At rest
What is the formal equation for Newton's second law of motion?
Fnet = m / a
Fnet = m + a
Fnet = m - a
Fnet = m * a
What is the unit of force according to the standard metric unit?
1 kg * m/s
1 kg * m/s2
1 kg * m
1 kg * s2
These are the forces applied when the objects involved are in direct contact.
Contact forces
Normal forces
Distance forces
This type of force is when one object pushes or pulls on another object by touching it
Applied
gravity
magnetic
tension
Leanna decided to rearrange her bedroom by moving her dresser to the opposite wall. She tried pushing it, but found that the dresser would not move. What force was Leanne NOT able to overcome?
electrical force
magnetic force
tension force
frictional force
