Linear Kinematics 3

Question 1

For linear acceleration, does sign tell you the direction of travel?

Answer 1

NO

Question 2

You are speeding up in the positive direction

Answer 2

Acceleration

Question 3

Your speed is not changing in either direction

Answer 3

No acceleration

Question 4

You are slowing down in the negative direction

Answer 4

Decelerating

Question 5

You are speeding up in the negative direction

Answer 5

Accelerating

Question 6

You are slowing down in the positive direction

Answer 6

Deccelerating

Question 7

Positive acceleration

Answer 7

Speeding up in (+) direction
Slowing down in (-) direction

Question 8

Negative acceleration

Answer 8

Slowing down in (+) direction
Speeding up in (-) direction

Question 9

Zero acceleration

Answer 9

No change in velocity

Question 10

Draw the acceleration graph for horizontal and vertical motion of a barbell

Answer 10

See they key

Question 11

What is the horizontal velocity for the first and second half of a bicep curl?

Answer 11

First half- positive
Second half- negative

Question 12

What is the vertical velocity for the first and second half of a bicep curl?

Answer 12

Positive

Question 13

What is the vertical acceleration for the first and second half of a bicep curl?

Answer 13

First half- positive
Second half- negative