WorksheetsGravity
Total questions: 9
Worksheet time: 5mins
Fill in the blanks to complete the sentences with the appropriate word. You can use any word more than once. The _______________ of an object does not change when it is taken to another planet, but its _______________ may be different on that planet if the planet’s _______________ is different from Earth’s. write lowercase and separate with a comma, no extra spaces. For example cat,mouse,dog
(a)
If a wagon is accelerating at a rate of 2 m/s2 and the force acting on it is 20 N, what is the mass of the wagon? (Hint: Use one of Newton’s laws of motion to solve this.)
(a)
A planet has a mass that is twice that of Earth but the same radius. How does the gravitational force on the surface of this planet compare to that on Earth?
❍ A It is half as strong.
❍ D It is four times as strong.
❍ B It is the same.
❍ C It is twice as strong.
A bag of potatoes has a mass of 2.5 kilograms (kg). What is its approximate weight on Earth?
❍ A 25 newtons
❍ B 25 pounds
❍ C 25 calories
❍ D An object’s mass is the same as its weight.
Which of the following statements is true about the gravitational force on an object in space?
❍ A It is zero because there is no gravity in space.
❍ C It is the same as on Earth.
❍ D It is stronger than on Earth.
❍ B It is weaker than on Earth but not zero.
A satellite orbits Earth at a constant speed. What keeps the satellite in orbit?
❍ A The satellite's engines.
❍ B Earth's gravitational pull.
❍ C The satellite's mass.
❍ D The lack of atmosphere in space.
