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-investigation forces -mass and weight -acceleration -falling objects

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Force. Mass and Acceleraton

Force. Mass and Acceleraton

Question 1 of 13

1

What happens to a moving car when there is a resultant force?

Select one of the following:

  • It accelerates

  • It decelerates

  • It stays the same

Explanation

Question 2 of 13

1

The acceleration of a car depends on..

Select one of the following:

  • speed it was traveling and road surface

  • air resistance applied and mass of car

  • size of resultant force and mass of car

Explanation

Question 3 of 13

1

What can an object best accelerate?

Select one of the following:

  • when the force is greater but mass is smaller

  • when the mass is greater and the force is greater

  • when the force is smaller but the mass is greater

Explanation

Question 4 of 13

1

what is newtons second law of motion?

Select one of the following:

  • force (N) = Mass (kg) + acceleration (m/s squared)

  • force (N)= Mass (kg) x acceleration (m/s squared)

  • force (N)= Mass (kg) - acceleration (m/s squared)

Explanation

Question 5 of 13

1

when investigation force and acceleration what must you keep the same?

Select one of the following:

  • Force

  • Mass

  • Acceleration

Explanation

Question 6 of 13

1

How do you work out Acceleration (m/s squared) ?

Select one of the following:

  • change in velocity (m/s) divde by time (s)

  • change in velocity (m/s) x time (s)

  • change in velocity (m/s) - time (s)

Explanation

Question 7 of 13

1

cyclist accelerates from 0 to 10 m/s in 5 seconds. What is her acceleration?
(acceleration= change in velocity divided by time)

Select one of the following:

  • 5m/s sqaured

  • 4 m

  • 2 m/s squared

Explanation

Question 8 of 13

1

Mass is a scalar property

Select one of the following:

  • True
  • False

Explanation

Question 9 of 13

1

Weight is another word for mass

Select one of the following:

  • True
  • False

Explanation

Question 10 of 13

1

on the moon the gravitational field strength is 1.6 n/kg. What will james (who weighs 70 kg on earth) weight be on the moon?
(Weight= mass x gravitation field strength)

Select one of the following:

  • 112n

  • 112kg

  • 64 n

Explanation

Question 11 of 13

1

As the speed of an object increases the drag on it decreases

Select one of the following:

  • True
  • False

Explanation

Question 12 of 13

1

in a vacuum all objects fall at the same rate mass does not matter

Select one of the following:

  • True
  • False

Explanation

Question 13 of 13

1

depending on the mass of the falling objects depends the rate of acceleration

Select one of the following:

  • True
  • False

Explanation

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