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WorksheetsFriction & Air resistance
Total questions: 15
Worksheet time: 8mins
Which two of these forces act on parachutes?
Thrust
Gravity
Air resistance
Kinetic Energy
What causes an object to fall faster?
Smaller surface area
Larger surface area
If it has a parachute
If it is softer
Another name for air resistance is...
Buoyancy
Streamline
Gravity
Drag
The larger the surface area of the moving object, the ___________ air resistance there is.
Less
Longer
More
Quicker
Air resistance pushes against falling
objects and __________________.
Keeps them afloat
Spins them
Speeds them up
Slows them down
The larger the parachute the ____________
Less drag
More surface tension
Less air resistance
More drag
Which has more air resistance?
Air resistance is a force caused by...
Air pushing against moving objects
Water pushing against moving objects
Normal force pushing against moving objects
Gravity pushing against moving objects
Look at the pictures of the cars. Which car will have the most air resistance force acting upon it? They will be moving at the same speed.
The rougher the surface, the faster an object will travel over the surface.
True
False
Air resistance is a type of friction.
True
False
Basketball players choose their shoes carefully because they want to ________ friction on the basketball court.
Increase
Decrease
The friction between your shoes and the ground prevents ………………………….
Running
Slipping down
Walking
Writing
The force of ......... brings the man to the ground.
Friction
Gravity
Thrust
On which surface will a toy sled travel the least distance?
Carpet
Ice
Polish Wood
