a) any frame that is not accelerating

b) a frame attached to a particle on which no forces act.

c) any frame that is at rest.

d) a frame attached to the centre of the universe.

e) a frame attached to the earth.

a) of gravity on a 1 kg body

b) of gravity on a 1 g body

c) that gives a 1g body an acceleration of 1 cm/s^2

d) that gives a 1 kg body an acceleration of 1m/s^2

e) that gives a 1 kg body an acceleration of 9.8 m/s^2

2.8N

b) 5.6N

c) 11.2N

d) 0

e) E. an undetermined amount.

a) of the displacement

b) of the initial velocity

c) of the final velocity.

d) of the net force.

e) opposite to the frictional force.

a) weight

b) inertia

c) force

d) acceleration

e) volume

a) speed up

b) slow down

c) resist any change in motion

d) fall toward the earth

e) decelerate due to friction

a) all objects have weight but some lack mass

b) weight is force and mass is not

c) the mass of an object is always more than its weight

d) mass can only be expressed in the metric system.

e) there is no difference