PCS Moving Along 5th

Front

Friction can be described as a:

Back

contact force

Front

Choose the BEST example of balanced forces: a car speeding up, a leaf blowing in the wind, a car moving at a constant speed, a tennis ball bouncing back and forth between players.

Back

a car moving at a constant speed

Front

How does the mass of an object affect its motion?

Back

The greater the mass of an object, the greater the force to move the object.

Front

What force made the leaves land on the ground?

Back

gravity

Front

Description of the forces during the 5th grade tug-of-war where neither side could pull the flag to one side.

Back

The forces were balanced in the game.

Front

Which car will require the most force to start moving? Options: car with mass of 1200 kilograms, car with mass of 1500 kilograms, car with mass of 1700 kilograms, car with mass of 2000 kilograms.

Back

car with mass of 2000 kilograms

Front

How can the speed of an object best be determined?

Back

distance traveled divided by time it took to travel

Front

Which best describes the rate at which an object changes its position over time?

Back

speed

Front

What most likely caused a ball to slow down after rolling fast?

Back

friction

Front

By changing the surface over which the car rolls from sandpaper to wax paper, you might be able to test the effect of what force?

Back

Friction