Resultant Forces

Question 1

Scalar quantity

Answer 1

Only has size (magnitude)

Question 2

Examples of three scalar quantities

Answer 2

Distance, speed, time

Question 3

Vector quantity

Answer 3

Both size and direction

Question 4

Examples of three vector quantities

Answer 4

Momentum, force, acceleration

Question 5

Force

Answer 5

Push or pull on an object because of interaction with another object

Question 6

Contact force

Answer 6

Force between objects that are physically touching (friction, air resistance, tension)

Question 7

Non-contact force

Answer 7

Force between objects that are physically separated (gravitational, electrostatic, magnetic)

Question 8

What is the size of the force like when two objects interact with each other?

Answer 8

Forces are same size

Question 9

Weight

Answer 9

Force acting on an object due to gravity

Question 10

Newtonmeter

Answer 10

Measures weight of an object

Question 11

Weight formula

Answer 11

Mass x gravitational field strength

Question 12

Elastic distortion

Answer 12

Object can go back to original shape and size after forces are removed

Question 13

Inelastic distortion

Answer 13

Object does not go back to original shape and size after forces are removed

Question 14

On a force-extension graph, what is the limit of proportionality?

Answer 14

Where the straight line starts to curve

Question 15

Type of energy stored in a spring

Answer 15

Elastic potential energy

Question 16

What does the energy stored in a spring depend on?

Answer 16

Spring constant and extension

Question 17

Weight

Answer 17

Measure of the force of gravity on an object

Question 18

Mass

Answer 18

Measure of the amount of material in an object

Question 19

Terminal velocity

Answer 19

Maximum steady velocity

Question 20

Elastic collision

Answer 20

No change in total kinetic energy