DHS PS Ch. 3 - Forces (Online Course)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What happens to the gravitational force as objects get farther apart? | show 🗑
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| You exert a gravitational force on _________. | show 🗑
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| show | Weight is mass times acceleration due to gravity.
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| What causes thrown objects to travel in a curved path? | show 🗑
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| What happens to the amount of gravity a projectile experiences as it moves through the air? | show 🗑
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| What provides centripetal force when a car experiences centripetal acceleration around a corner? | show 🗑
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| In which direction is the centripital force? | show 🗑
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| show | in free fall.
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| show | for every action force there is an equal and opposite reaction force that occurs at the same exact time.
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| What causes a rocket to move ? | show 🗑
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| show | the law of conservation of momentum
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| Whenever a force is exerted, another force occurs that is ______ in size, and ________ in direction. | show 🗑
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| show | act on the same object.
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| show | it has zero velocity or zero mass
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| show | the force of the table back up on the cup
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| When a falling object reaches terminal velocity, the force of gravity ___________ the force of air resistance. | show 🗑
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| When force is increased on an object, what happens to its acceleration? | show 🗑
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| When gravitational forces and air resistance equalize on an object that is falling toward Earth and the object stops accelerating, what is the velocity of an object called? | show 🗑
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| show | It allows objects to start, stop, or turn.
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| show | air resistance.
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| Which of the following will result in the greatest acceleration? | show 🗑
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| show | an object will accelerate in the direction of an applied force, depending on the object's mass.
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| show | at rest
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| The upward force on an object falling through the air is _______________. | show 🗑
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| The relationship among mass, force, and acceleration is explained by ________________. | show 🗑
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| show | air resistance
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| In a vacuum, an apple and a feather that are dropped from the same height at the same time will ___________________. | show 🗑
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| show | 9.8 m/s2
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| According to Newton's second law of motion, ______________________. | show 🗑
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| The path of a projectile is _______________. | show 🗑
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| show | acceleration
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| The size of the gravitational force between two objects depends on their _________________. | show 🗑
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| show | decrease
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| show | action-reaction
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| show | has greater mass
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| In the equation p = m x v, the p represents ___________________. | show 🗑
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| The statement "to every action there is an equal and opposite reaction" is _____________. | show 🗑
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| Momentum is measured in what units? | show 🗑
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| show | the law of conservation of momentum
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| show | weightless
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| If gravity did NOT affect the path of a horizontally thrown ball, the ball would _________________________. | show 🗑
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| The motion of an object parallel to Earth's surface is _______________________. | show 🗑
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| show | 500 N to the left
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| show | rolling
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| Gravity is one of ____________ basic forces. | show 🗑
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| show | Earth
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| show | Air resistance greatly increases.
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| show | a bowling ball (it has the most mass)
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| If a greater force is applied to Car A compared to Car B, Car A will have _______________ acceleration as (than) Car B. | show 🗑
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| show | Weight is mass times acceleration due to gravity.
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| Force and motion are ______________________. | show 🗑
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| When a force is applied to an object, the _________ of an object will affect acceleration. | show 🗑
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| show | divided
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| show | friction
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| What is the ultimate source of friction where surface bumpers stick together? | show 🗑
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| Which type of friction occurs between two surfaces that are not moving past each other? | show 🗑
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| show | sliding
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| When a force occurs between a rolling object and the surface it rolls on, it is known as ____________________ friction. | show 🗑
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| What opposes the motion of objects that move through the air? | show 🗑
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| show | amount
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| Is gravity a ______ _______ force that gives the universe its structure? | show 🗑
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| show | gravity
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| show | inertia
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| show | weight
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| show | mass
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| show | float
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| show | centripital, force
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| show | opposite
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| Rocket propulsion is based on ______________? | show 🗑
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| Action-reaction forces differ from balanced forced as they act on different or identical objects? | show 🗑
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| What is related to how much force is needed to change an object's motion? | show 🗑
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| show | transferred
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| show | 1 m/s since the mass is doubled (the velocity is now half)
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| Which law explains why a motorcycle will always beat a car if they both produce the same amount of force? | show 🗑
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| Which law explains why once a satellite is put in motion, it will continue to stay in motion? | show 🗑
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| show | Newton's 3rd law
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| show | Law of conservation of momentum
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| show | Cambridge University in Britain
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| show | Because of the bubonic plague
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| You can only add forces together when they are _________ ? | show 🗑
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| You must subtract forces when they are __________ ? | show 🗑
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| If two object are twice as far apart, the gravitational force between them is now _____ as strong. | show 🗑
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| show | 1/9th
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| If two object are 4x as far apart, the gravitational force between them is now _____ as strong. | show 🗑
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| show | 1/100th
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| Weight is measure in _______ . | show 🗑
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| Gravitational strength is measure in _______ . | show 🗑
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| show | 1/6th
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| show | inertia
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| show | Seat belts
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| show | nitrogen gas
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
basmith
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