Science Class 5th
221. The attractive force between the molecules is stronger in:
A) Liquid
B) Solid
C) Gas
D) All
222. Force causing restriction in movement is called:
A) Gravity
B) Friction
C) Air Force
D) None of the above
223. Friction causes:
A) Opposition in movement
B) Stop in movement
C) Allows movement
D) None of the above
224. All solids material have some roughness.
A) True
B) False
225. Friction does not help in running
A) True
B) False
226. Parachutists use _________ to slow down.
A) Gravity
B) Change in direction
C) Air Resistance
D) None of the above
227. Friction causes wastage of energy.
A) True
B) False
228. Friction produces which of the following:
A) Heat
B) Sound
C) Light
D) Attraction
229. Heat causes ________ of the moving object.
A) Speed
B) Wear and Tear
C) Deformation
D) Reduction in speed
230. Friction depends upon:
A) Type of Matter
B) Type of Medium Present between the surface
C) Roughness of the surfaces
D) All of the above
231. The Pulling Force:
A) Air Resistance
B) Gravitational Force
C) Friction
D) Â Escape Force
232. Mass is the quantity of the ______ in an object.
A) Volume
B) Matter
C) Density
D) None of the above
233. Mass is same every where.
A) True
B) False
234. ______ is the amount of the gravitational force acting on the object.
A) Mass
B) Matter
C) Weight
D) Friction
235. Weight is same everywhere.
A) True
B) False
236. The Body does not move if the forces are:
A) Unequal and similar in direction
B) Equal and Opposite in direction
C) Equal and Similar in direction
D) Unequal and opposite in direction
237. The SI unit for force is _______.
A) Kg
B) m/s
C) N
D) A
238. Mass is measured in _____.
A) kg
B) m/s
C) N
D) A
239. A passenger shall fall ________ when the bus starts suddenly:
A) Forward
B) Sideways
C) Backwards
D) Shall Not Fall
240. A passenger standing shall fall _______ when the bus stops suddenly.
A) Forward
B) Sideways
C) Backwards
D) Shall not fall