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3 cards from this section. Quick, good the night before a test.
What force pulls a vehicle down towards the road?
It's the force that keeps everything grounded.
Name one everyday tool that uses a lever.
Think about what you use to cut things.
What principle states that force equals mass times acceleration?
It's the law that deals specifically with the effects of forces on objects.
True or False: Friction is always beneficial in motion.
Think about situations like ice skating or a car sliding on a wet road.
A car accelerates from rest to 60 km/h in 5 seconds. Calculate the force applied if the car has a mass of 1200 kg.
Don't forget to convert the speed and calculate the acceleration first.
Design a small crane using a pulley system for lifting a 500 kg load. Discuss the mechanical advantage and the required force if the mechanical advantage is 4.
Think about how you can arrange the pulleys to achieve the desired mechanical advantage.
5 more questions in this section. Enroll free to practise them all.
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