Physics and Engineering Concepts Quiz

Why is it hard to win a tug-of-war against a group of teachers?

• Teachers try really hard.

• Teachers have more legs than students.

• Teachers have a lot of friction.

• Teachers can push really hard.

The last rubber band caused the watermelon to burst because _________.

• it created a force that was greater than the force of the watermelon rind.

• it was the last rubber band in the bag.

• it was placed at a different angle than the others.

• it was stronger than the other rubber bands.

• it was thicker than the other rubber bands.

Why was a suspension bridge a good design for the Golden Gate Bridge in San Francisco?

• Ships had to pass underneath the bridge.

• It has a lot of pillars underneath to support it.

• The distance the bridge had to cross wasn’t very long.

• The water under the bridge was very shallow.

A trapeze won’t swing forever because __________.

• a trapeze is too heavy to keep swinging.

• friction and air resistance slow the trapeze down.

• a trapeze isn’t heavy enough to keep swinging.

• the ropes of the trapeze aren’t long enough.

Magnets attract ______________.

• objects that contain iron.

• pieces of wood.

• plastic bottles.

• glass marbles.

Why do hoppers hop off the table?

• Because they are pushed

• Because of gravity

• Because they are pulled

• Because of wind

Why are pillar bridges and arch bridges stronger than board bridges?

• They are made of stronger materials

• They have better support structures

• They are longer

• They are lighter

How can a trapeze artist make their trapeze swing more slowly?

• By adding more weight

• By making the ropes shorter

• By making the ropes longer

• By swinging faster

Are paper clips magnets?

• Yes, they are magnets

• No, they are not magnets

• Yes, but only when heated

• No, but they can be attracted to magnets

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.