Physics Revision 1/02/23

Question 1

Anomaly

Answer 1

The result that does not fit with the other results

Question 2

Mean

Answer 2

Also known as the average (add up the values and divide by the amount of values)

Question 3

Range

Answer 3

The smallest value subtracted from the largest in the set

Question 4

Resolution

Answer 4

This is the smallest change in a value a device can measure.

Question 5

Precision in a set of values

Answer 5

Precision refers to how close the values are to each other.

Question 6

Accuracy

Answer 6

The accuracy of a reading is how close it is to the true value.

Question 7

Equation of finding average speed

Answer 7

S=d/t …………… = speed= distance/time

Question 8

Constant speed on a distance time graph

Answer 8

A straight line

Question 9

Slowing down on a distance time graph

Answer 9

Line gets flatter

Question 10

Speeding up on a distance time graph

Answer 10

One getting steeper

Question 11

Gravitational field strength equation

Answer 11

Weight = mass x gravity (w=m x g)

Question 12

As the sled gets faster, air resistance…….

Answer 12

Increases

Question 13

Unbalanced forces=………..

Answer 13

Change in speed

Question 14

Balanced forces=…………..

Answer 14

The object remains stationary

Question 15

The object continues at a constant speed if ……..

Answer 15

The forces acting against the object are equal.