WorksheetsUnit 5: Non-Linear Motion
Total questions: 23
Worksheet time: 29mins
The path of a projectile through the air is called its _?_
(a)
The shape of a projectile's path through the air is best described as a(n) _?_
(a)
Any object thrown or put into the air is called a(n) _?_.
(a)
If an object is in uniform circular motion it is traveling in a _?_ path with a constant _?_.
(a)
A pendulum or a weight on a spring are examples of _?_ _?_ _?_. (3 words)
(a)
According to Kepler's first law of motion, the planet's orbits are in the shape of a(n) _?_ with the sun at a _?_.
(a)
According to Kepler's 2nd law of motion, an imaginary line between the sun and a planet will sweep through equal _?_ in equal periods of _?_.
(a)
According to Kepler's 3rd law the ratio of the planet's periods _?_ to the radius _?_ is a constant.
(a)
Newton's Law of Universal Gravitation says that the force of gravity is _?_ proportional to the product of the masses and _?_ proportional to the square of the distance between them.
(a)
A projectile is fired horizontally at 44 m/s. How far will the projectile have moved horizontally after it falls 0.77 m vertically?
17.4 meters
1.54 meters
0.396 meters
15.4 meters
A person throws a rock horizontally from a cliff that is 21 m above a river. The rock lands out in the river 37 m from the base of the cliff. How fast was the rock thrown?
17.8 m/s
4.28 m/s
2.07 m/s
76.60 m/s
A projectile is launched at 750 m/s at an angle of 34°. How long will the projectile be in the air?
85.6 seconds
63.4 seconds
42.8 seconds
126.9 seconds
A golf ball is launched at 55.4 m/s at an angle of 37° above the horizontal. Neglecting air resistance due to drag and spin, how far will the ball go?
301.05 meters
2.7 meters
150.5 meters
5.4 meters
A 0.25 kg mass is rotated around in a circular path using 0.85 m of string. If the mass rotates once in 0.67 s, what is the centripetal acceleration?
74.8 m/s^2
50.0 m/s^2
23.8 m/s^2
15.9 m/s^2
In the Olympics, a hammer is a 7.26 kg weight that is spun around a circular path of radius 1.63 m. If a person spins with a period of 0.96 seconds per revolution, what is the centripetal force?
506.9 N
69.8 N
22.3 N
161.4 N
A person is sitting on a merry-go-round horse. The carousel has a radius of 5.85 m and the merry-go-round is spinning at 2.4 revolutions per minute. Calculate the centripetal force on a 43 kg child.
15.88 N
5.06 N
5.7E4 N
397.23 N
The Earth is 1.50 × 10¹¹ m from the Sun and orbits in 1.00 year. Mars is 2.30 × 10¹¹ m from the Sun. How long does it take to orbit?
1.9 years
1.5 years
2.5 years
2.89 years
A geosynchronous satellite is 4.3 × 10⁷ m from the Earth and has a mass of 457 kg. What is the force of gravity acting on this mass?
98.42 N
3.29 N
14.8 N
76.9 N
