Momentum test review

Question 1

T/F: An object at rest has no momentum

Answer 1

True

Question 2

T/F: Durian an impulse the peak force must be greater than the average force

Answer 2

False

Question 3

T/F: A mosquito can have more momentum than an elephant

Answer 3

True

Question 4

T/F: If an objects direction changes, then its momentum has changed

Answer 4

True

Question 5

T/F: It is possible for three objects, each traveling in a different direction, to have a total momentum of zero

Answer 5

True

Question 6

T/F: If an object has mass it has momentum

Answer 6

False

Question 7

T/F: The standard unit for momentum is the kg/ms^2

Answer 7

False

Question 8

T/F: If an object is headed eastward, but slowing down, the momentum is westward

Answer 8

False

Question 9

T/F: Impulse is a force

Answer 9

False

Question 10

T/F: The standard unit for impulse is the Newton*second

Answer 10

True

Question 11

T/F: A force of 100N acting for 0.1s would provide an equivalent impulse of a 5N force acting for 2.0s

Answer 11

True

Question 12

Two colliding objects will exert equal forces on each other, regardless of their masses

Answer 12

True

Question 13

The impulse that an object experiences are equal to the change in its velocity

Answer 13

False

Question 14

An inelastic collision is one in which the objects stick together

Answer 14

True

Question 15

A ball is dropped from rest and collides with the ground. The higher the ball rises upon collision with the ground, the greater the impulse it received

Answer 15

True

Question 16

A large force always produces a large impulse on a body than a smaller force

Answer 16

True