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WorksheetsForces in nature 7th grade
Total questions: 14
Worksheet time: 25mins
Luis is pushing a box full of books. Can you tell the effect that Luis’s force has on the box? (Suppose that frictional forces are almost null)
Deformation
Motion
Acceleration
Speed
Define the different types of materials according to their behaviour under the effect of force. Rigid
Applying force on this type of materials do not deform it
This material remains permanently deformed after a force stops acting on it
Returns to the original shape when a force stops acting on it
None of the above
Define the different types of materials according to their behaviour under the effect of force. Plastic
Applying force on this type of materials do not deform it
This material remains permanently deformed after a force stops acting on it
Returns to the original shape when a force stops acting on it
None of the above
Define the different types of materials according to their behaviour under the effect of force. Elastic
Applying force on this type of materials do not deform it
This material remains permanently deformed after a force stops acting on it
Returns to the original shape when a force stops acting on it
None of the above
Which forces act on each of the bodies in the picture?
m = gravitational force; M = frictional force
m = frictional force; M = gravitational force
None of the above
m = contact forces; M = at a distance forces
Say if the following sentence is true or false: Rest and movement are absolute concepts.
True
False
Say if the following sentence is true or false: The position of an object in motion is the place it occupies with respect
to the reference frame.
True
False
Say if the following sentence is true or false: If the trajectory is a straight line and the object in motion doesn’t change
direction, the displacement and the distance covered are not the same.
True
False
Study the graph and answer the following question: How does the object move?
Rectilinear motion
Curved motion
Circular motion
None of the above
Study the graph and answer the following question: What distance will it travel in 10 s?
10 m
20 m
40 m
None of the above
Study the graph and answer the following question: How long, in hours, does it take to travel 65 km?
4.51 h
2 h.
3.5 h
None of the above
Study the image and use reason to decide on the type of movement of the mobiles: the car
Accelerating
Breaking
Constant speed
Study the image and use reason to decide on the type of movement of the mobiles: the truck
Accelerating
Negative acceleration
Constant speed
Study the image and use reason to decide on the type of movement of the mobiles: the bike
Accelerating
Negative acceleration
Constant speed
