Environmental Scienc ...

Q1.

Name the kind of force being applied in each of the following activities:

a. A girl rolling play dough.  __________________

b. A fridge door closes on slight push. ________________

c. Squeezing of plastic water bottle. _______________________

d. Falling of leaves from tree. ______________________

e. Lifting a bucket. _________________________

f. Rubbing two rods against each other. _______________________

g. Crane lifting a car. ________________________

Q2.

Fill in the blanks.

a. A push or pull on an object is called _______________.

b. A change in object’s position is called___________________.

c. The force that pulls object to the earth is called ______________ force.

d. _______________ force slows down the moving objects.

Q3.

True or False.

a. A force cannot change the direction of the object. _____________

b. An object will continue in motion until other force act on it. _________

c. If object is in stationary position, it will remain in same position until force is applied to it. _________

d. A force cannot change the speed of the moving object. _________

Answer the following:

1. Name the force that occurs when one object rubs against another object.

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2. What do you mean by force? Give an example to show force is being applied on a body. _____________________________________________________________

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3. Write two examples of muscular force?

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4. What is frictional force? Explain how it is beneficial.

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5. Write various effects of force.

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