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1. Choose the correct answer from the given alternatives.

a. Which one of the following is not the effect of force?
i. Applying brakes of a bicycle on seeing a cow in front
ii. Putting foot on the pedal of a bicycle on stand
iii. Turning the handle of a bicycle on a curved road
iv. Pedaling a bicycle on a straight road

b. The change in position of a body relative to another body at rest is called:
i. Force
ii. Motion
iii. Rest
iv. Transformation of force

c. What is not true about simple machines?
i. It reduces the applied force
ii. It does more work
iii. Changes the direction of applied force
iv. Speeds up the work

d. What is the example of linear motion?
i. Motion of the planets around the sun
ii. Motion of houseflies on garbage
iii. Motion of a mango falling from a mango tree
iv. Movement of a 1-year-old baby on the floor

Sagot :

GinnyAnsweridn

Final answer:

Force is the fundamental cause of motion changes in physics, affecting various aspects such as direction and magnitude of motion in different scenarios like pedaling a bicycle.


Explanation:

Force is the direct cause of a change in motion. It acts directly on an object to produce various effects. For example, pedaling a bicycle on a straight road requires applying force to generate motion.

When discussing forces, it's essential to understand that they result in changes in position or motion of objects. For instance, turning the handle of a bicycle on a curved road involves the force required to alter the direction of motion.

A simple machine typically reduces the applied force, changes the direction of the force, and allows for easier work but does not perform more work than the input force. An example of linear motion is the motion of a 1-year-old baby on the floor.


Learn more about Force and Motion here:

https://brainly.com/question/41607511


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