Linear Momentum

Question 1

momentum can be defined as

Answer 1

mass in motion

Question 2

all objects have

Answer 2

mass

Question 3

so if an object is moving, it has what

Answer 3

momentum, it has its mass in motion

Question 4

what two variables does the amount of momentum an object has depend upon

Answer 4

how much stuff is moving & how fast the stuff is moving i.e. its mass and velocity

Question 5

if a bus has a large mass but is very slow, it has a

Answer 5

large momentum

Question 6

if a car has a smaller mass but moves at a higher speed, it has a

Answer 6

large momentum as well biatch

Question 7

the linear momentum of a body (no not a literal body) is

Answer 7

the products of its mass and velocity

Question 8

momentum

Answer 8

mass x velocity/ p= mv

Question 9

unit of momentum

Answer 9

kgms^-1

Question 10

momentum of 60kg football at speed 9ms^-1

Answer 10

p=mv
p=60x9
p=540kgms^-1

Question 11

practise the other ex we did plsssss

Answer 11

ask if u need ans or explanations for some

Question 12

in a collision, an object experiences

Answer 12

a force for a given amount of time, resulting in its mass undergoing a change in velocity (ie which results in a momentum change)

Question 13

Linear momentum from newton’s 2nd law

Answer 13

F=ma
F=m(v-u)/t
F=(mv-mu)/t

Question 14

the force applied is equal to

Answer 14

the change in momentum divided by time

Question 15

Force=

Answer 15

rate of change of momentum

Question 16

example of force= rate of change of momentum

Answer 16

airbag (able to minimize the effect of the force of an object involved in a collision. They accomplish this by extending the time required to stop the momentum of the driver and passenger)

Question 17

momentum’s direction is significant, therefore it is

Answer 17

a vector quantity

Question 18

for motion along a straight line

Answer 18

positive values are assigned to one direction and negative values are assigned to the opposite direction

Question 19

remember, if v or m doubles/ triples,

Answer 19

p doubles/triples

Question 20

if both v &m double

Answer 20

p quadruple