Force Mass Acceleration
How much force is needed to accelerate a 66 kg skier at 2 m/sec 2?
132
What is the voltage if a resistance of 25 Ω produces a current of 250 amperes?
6250
360 Joules of work are needed to move a crate a distance of 4 meters, what is the weight of the crate?
90
What does the acronym KHDBDCM mean?
(how we remember it)
King Henry Died by Drinking Chocolate Milk
A girl cycles for 3hrs at a speed of 40 km/h. What distance did she travel?
120 km
What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec 2?
9,800
What is the current produced by a voltage of 240 V through a resistance of 0.2 Ω?
1200
If a group of workers can apply a force of 1000 Newtons to move a crate 20 meters, what amount of work will they have accomplished?
20,000
1000 mg ______ g
1g
A train travels at a speed of 30mph and travel a distance of 240 miles. How long did it take the train to complete it’s journey?
8
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
10
What voltage is necessary to produce a current of 200 amperes through a resistance of 100 Ω?
20,000
If 68 Joules of work were necessary to move a 4 Newton crate, how far was the crate moved?
17
1,500 mL 1.5 L
A. <
B. >
C. =
C. =
A cyclist travels 20km in 4hrs. What speed did the cyclist cycle at?
5 km/h
The mass of a large car is 1000 kg. How much force would be required to accelerate the car at a rate of 3 m/sec ?
3000
What resistance would produce a current of 120 amps from a 6-V battery?
0.05
How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?
0 or no work is being done
5.6 kg = _____ g
5600 g
How long does it take to travel a distance of 672km at a speed of 96km/h?
7 hours
You push your friend again sitting on a swing with 200N of force. She accelerates at a rate of 5 m/s2 .What is the friend’s mass?
40
What is the current produced by a 9-V battery flowing through a resistance of 200 Ω?
0.05
12. If 68 W of power is produced in 18 seconds, how much work is done?
1,224
5.6 m = _____ cm
560 cm
A beetle travels at a speed of 9cm/s., it travels a distance of 108cm before it is caught in a jar. How long did the beetle run for?
12 s