Core Practical 1

Question 1

What is the independent variable?

Answer 1

We are changing the masses that are out in the trolley

Question 2

What is the dependent variable?

Answer 2

We are measuring the acceleration of the trolley

Question 3

What are the control variables?

Answer 3

• the height of the ramp
• mass at the bottom of the ramp
• the same trolley
• the length of the ramp

Question 4

What do the results show?

Answer 4

The results show that the as the mass increases that acceleration decreases.

Question 5

How do you find the acceleration of the trolley?

Answer 5

Change in velocity/ time