Acceleration of free fall

Question 1

All objects in the same gravitational field strength fall at the……

Answer 1

same rate

Question 2

How do you know when an object is in free fall

Answer 2

when the only force acting on it is gravity

Question 3

What happens to the acceleration due to free fall when in uniform gravitational field strength?

Answer 3

It is constant

Question 4

Near the surface of the earth what is the acceleration of free fall?

Answer 4

9.81 ms-2

Question 5

Near the surface of the moon what is the acceleration of free fall?

Answer 5

1.6 ms-2

Question 6

What happens to objects acceleration with the masses?

Answer 6

they have the same acceleration in free fall

Question 7

What is the unit ms-2 equivalent to?

Answer 7

Nkg-1

Question 8

Describe an experiment for meauring g with an electromagnet.

Answer 8

1) An electromagnet is off when the ball begins to fall and the timer starts
2) When the ball strikes the hinged platform it breaks a circuit and the timer stops
3) The electronic timer records the timer t for the ball bearing to fall a distance h, measuring h from the bottom of ball bearing
4) Use g=2h/t2 to calculate g