General Science Standard Seven>Motion, Force and Work>Force, Displacement and Work

Force, Displacement and Work

Author:Maharashtra Board

7th Maharashtra Board

IMPORTANT

Important Questions on Force, Displacement and Work

EASY

IMPORTANT

General Science Standard Seven>Motion, Force and Work>Force, Displacement and Work> Q 1

Task	Speed	Velocity
Write the formula	Speed =	Velocity =
Write the units of the quantities	Distance: Time period:	Displacement: Time period:
Insert the units instead of quantities in the formula. You will get the unit of speed and velocity.	Unit of speed =	Unit of velocity =

EASY

IMPORTANT

General Science Standard Seven>Motion, Force and Work>Force, Displacement and Work> Q 2

Why does a static comb or ruler rubbed on dry hair attracts pieces of paper?

EASY

IMPORTANT

General Science Standard Seven>Motion, Force and Work>Force, Displacement and Work> Q 3

A force of $1000 N$ was applied to stop a car that was moving with a constant velocity. The car stopped after moving through $10 m$ . How much is the work done?

EASY

IMPORTANT

General Science Standard Seven>Motion, Force and Work>Force, Displacement and Work> Q 4

A cart with mass $20 kg$ went $50 m$ in a straight line on a plain and smooth road when a force of $2 N$ was applied to it. How much work was done by the force?

HARD

IMPORTANT

General Science Standard Seven>Motion, Force and Work>Force, Displacement and Work> Q 5

Explain the following concepts in your own words with everyday examples: force, work, displacement, velocity, acceleration, distance.

MEDIUM

IMPORTANT

General Science Standard Seven>Motion, Force and Work>Force, Displacement and Work> Q 6

From the groups B and C, choose the proper words for each of the words in group A.