Force and Motion

Front

Friction can be described as a:

Back

contact force

Front

What measurements are needed to calculate the speed of an object?

Back

time and distance

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? Options: gravity, friction, air pressure, mass

Back

gravity

Front

Description of the forces during the 5th grade tug-of-war.

Back

The forces were balanced in the game.

Front

What can cause a moving object to increase its speed in a forward direction?

Back

a force pushing on the object from the opposite direction

Front

What moves a pencil toward the floor when it falls off a desk?

Back

gravity

Front

4 cars are at the starting line of a race. 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

A model car travels 20 meters in 15 seconds. How many meters will it travel in 45 seconds?

Back

60m