Flashcard on Newton's Laws of Motion

Front

The forces of two teams in a tug-of-war are shown in the image below. What is the net force on the rope? ​

Back

100 N to the left

Front

A car travels 150 kilometers in 3 hours. What is the speed of the car?

Back

50 km/h

Front

A ball travels from Point A to Point B in 3 seconds. What is the speed of the ball?

Back

3 cm/s

Front

Example of heat energy by conduction:

Back

A whole metal spoon getting hot when one end is in hot soup.

Front

A cheetah runs 200 meters in 4 seconds. A cougar runs 300 meters in 6 seconds. Which of the following accurately compares their speeds?

Back

Their speeds are equal.

Front

A cyclist travels 60 kilometers in 2 hours. What is the speed of the cyclist?

Back

30 km/h

Front

Why did the coin fall straight down into the cup instead of remaining on the index card during the demonstration of Newton's Laws of Motion?

Back

The coin was at rest until the card was removed, so it tended to remain at the same location. Once the card was done, the unbalanced force of gravity caused the coin to fall.

Front

The pickup truck has a changing velocity because the pickup truck -

Back

is traveling on a curve in the road.

Front

What is a correct example of 'velocity'?

Back

4 m/s north

Front

Method of heating causing warmer air above top bunk in winter?

Back

Convection currents in the room