Drag Forces and Friction

Select the force which helps objects to grip.

• Gravity

• Drag

• Friction

• Weight

Select the substancce which reduces friction.

• Lubrication

• Grip

• Resistance

• Drag

Select the force which slows living and nonliving things down in water.

• Air resistance

• Friction

• Water resistance

• Upthrust

Select the force which slows the snow boarder down.

• Air resistance

• Gravity

• Water resistance

• Weight

Write down the type of force water and air resistance are.

Select the term which means 'adapted to reduce drag forces'.

• Elastic

• Lubricated

• Streamlined

• Reaction

Select the things the diver can do to reduce drag and become more streamlined.

• Put arms out, put legs together.

• Put arms by their sides, put legs together.

• Put arms out, put legs together.

• Put arms out, put legs out.

Select the things the sky diver can do to increase drag.

• Make the parachute as narrow as possible, ropes as loose as possible.

• Make the parachute as wide as possible, ropes as loose as possible.

• Make the parachute as narrow as possible, ropes as tight as possible.

• Make the parachute as wide as possible, ropes as tight as possible.

Select the best explanation for why streamlined objects reduce drag.

• Particles in air and water are pushed into the way.

• Particles in air and water are pushed out of the way.

• Particles in air and water are added to the front of the object.

• Particles in air and water are destroyed.

Select a useful function of friction.

• Balancing only

• Braking only

• Turning only

• Balancing, braking and turning