The ‘a’ in the formula F = m x a stands for altitude. True or False?
False
100
When graphing motion, time is on the _______ axis
x-axis (or horizontal axis)
200
A train travels 140 km in 2 hours. What is the speed of the train?
70 km/h
200
What is the unit for weight?
Newtons (N)
200
What is Newtons 3rd Law of Motion?
Every action has an equal and opposite reaction
200
What unit do we use to measure weight?
The Newton
200
If you are travelling a distance of 160km at a speed of 80km/h, how long will it take you to arrive at your destination?
2 hours
300
A girl runs 25 meters in 10 seconds. What is her speed?
2.5 m/s
300
What is the formula to calculate the weight of an object?
W = m x g
(Weight = mass x acceleration due to gravity)
300
What is Newtons 1st Law of Motion?
Objects will maintain in their state of motion, unless acted upon by an external force (Also known as INERTIA)
300
What makes a thrown ball slow down quicker on Earth, than if it were in outer space?
Gravity
300
F = mass x speed . True or false?
False
400
Bill can run 80 meters in 20 second. His average speed is ________
4 m/s
400
The gravity on the Earth is 9.8, but gravity on the moon is 1.6. What is the weight of a 65 kg person on the moon?
W = 104 N
400
A 10 kg bowling ball would require what force to accelerate it down an alleyway at a rate of 3 m/s2?
F = 30 N
400
With what force will a rubber hit the ground if it has a mass of 0.25 kg?
F = 0.25 kg x 9.8 m/s2
F = 2.45 N
400
When you ride a roller coaster, what makes your body rise out of your seat at the top of a hill?
Inertia
500
Is force needed to maintain motion?
No.
Force is needed to being motion if the object is not moving, but if the object is already in motion it will continue in that state of motion (Newtons 1st Law)