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WorksheetsMotion and drag
Total questions: 22
Worksheet time: 27mins
Weight is _________.
the quantity of matter in an object.
t
equal to the mass of an object.
the measure of an object's inertia.
the force exerted by gravity on an object's mass.
Weight is constant.
True
False
What is missing?
D
N
W
L
An object's _______________ is the force an object experiences as a result of all the forces acting on it, giving the object acceleration.
apparent weight
force weight
mass
total weight
If there are no contact forces pushing up on an object and the object's apparent weight is zero, it is said to be _____________.
at terminal velocity
in equilibrium
small
weightless
The force exerted by a fluid on an object moving through the fluid is called the _____.
apparent weight
drag force
net force
terminal velocity
Which of these is true?
Weight can change when acceleration due to gravity changes.
Weight is a measure of inertia.
Mass is a force.
Weight is the measure of the amount of matter in an object.
Choose all the factors that an object's weight depends on.
mass
temperature
friction
gravity
1. A 54 kg hiker was walking up a mountain side at an acceleration of 5 m/s2 carrying a 9 kg backpack full of camping gear.
What force did the hiker use on his backpack to carry it up the mountain?
(a)
2. A toddler was pulling her little sister on a wagon with a force of 10 N.
The toddler was able to pull the wagon at an acceleration of 4 m/s2.
What is the mass of the toddler's sister on the wagon?
(a)
3. Two college students were moving into their dorm room. They had to
carry a 25 kg box of clothes up a tiny staircase. Both students exerted a force
of 3 N each, pushing the box up the staircase.
What was the acceleration on the box?
(a)
When a falling object stops accelerating and falls at a constant speed, it is
fluency
constant velocity
acceleration
terminal velocity
What is a parachute designed to maximize?
Gravity
Air Pressure
Air Resistance
Thrust
A girl weighs 300 N what is her mass here on Earth?
40.8 kg
41 kg
30.6 kg
300 N
You fly to Venus and research if life can exist there. Your mass is 100 kg and have a weight of 90 N what is the Gravitational strength of Venus?
900 N/kg
9 N/kg
0.9 N/kg
9000 N/ kg
The elevator is moving upwards at a constant speed. What would the people in the elevator feel like?
Heavier than normal
Lighter than normal
Normal weight
Weightless
_____ is the amount of substance of an object.
Mass
Weight
Density
Volume
