Forces and Motion

Front

Which of Newton's Laws of Motion will tell you the acceleration if you know the net force?

Back

Second

Front

Correct the statement: "A net force will cause an object to be in motion."

Back

A net force will cause an object to change its motion.

Front

According to Newton's Third Law of Motion, what happens when the magnet pulls on the oil drum?

Back

The magnet pulls on the oil drum just as hard as the oil drum pulls on the magnet.

Front

If the scale reads "0.035 kg", what weight of popcorn is being bought? (Use 10 m/s² down for g.)

Back

0.35 N

Front

If this plate of fries weighs 1.2 N, what mass of fries is being served? (Use g = 10 m/s² down)

Back

0.120 kg

Front

The astronaut is wearing a 57-kg backpack to provide life support. Which statement is true?

Back

Compared to the Moon, the backpack would have more weight on Earth.

Front

The fish has a mass of 1.6 kg. How much does the fish weigh? (Use 10 m/s² down for g.)

Back

16 N

Front

If the fish in the picture weighs 16 N, and the fish's mass is 1.6 kg, how much is the fish accelerating?

Back

2.5 m/s² up

Front

If the alligator shown accelerates left at 5 m/s², the alligator has a mass of ---. Options: 50 kg, 130 kg, 210 kg, 1250 kg

Back

50 kg

Front

The airship shown has a mass of 8,620 kg. The airship will accelerate ---. Options: 0 m/s², 0.53 m/s² right, 0.89 m/s² right, 0.17 m/s² right

Back

0.17 m/s² right