Test 2 Review Answers

Test 2 Review Answers – not all answers are complete; this is just to check yourself.
1.Units= Newtons (N)
2.Units= kilograms (kg)
3.Weight = 250 N
4.25N
5.5N
6.Mass = inertia = hard to change motion (direction)
7.Both
8.Friction
9.Check your notes
10Notes, F=ma
11.½
12.P = F/A
13.Standing
14.No
15.Less area=more pressure with smaller force
16.Right
17.a. 600N down, b. 600N up; floor, c. 120N right, d. 120N right, e. 2 m/s2 right
18.same; bicycle
19.yes. Same
20.forces: team on rope, rope on team, team on ground, ground on team
21.large mass means small acceleration
22.Newton’s 3rd

Please go back and look at bellworks, homeworks, and notes.

Remember, you are allowed one side of one 3x5 inch notecard for use on the test.