5th Grade > Science
FORCE AND SIMPLE MACHINES MCQs
Total Questions : 36
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Answer: Option C. -> Inclined Plane
:
C
Slides have an inclined plane. An inclined plane is a simple machine used to lift heavy objects.
:
C
Slides have an inclined plane. An inclined plane is a simple machine used to lift heavy objects.
Answer: Option C. -> both strength of force and net distance
:
C
Work done on an object depends on:
(i) Strength of the force applied:Consider a lighter and a heavier bag, it is harder to lift the heavier bag. Hence, work done depends on the strength of the force.
(ii) Net Distance:Consider a bag, in first case you lifted it to a larger height. It requires more effort to lift the bag to larger distance. Hence, work done also depends on the net distance.
:
C
Work done on an object depends on:
(i) Strength of the force applied:Consider a lighter and a heavier bag, it is harder to lift the heavier bag. Hence, work done depends on the strength of the force.
(ii) Net Distance:Consider a bag, in first case you lifted it to a larger height. It requires more effort to lift the bag to larger distance. Hence, work done also depends on the net distance.
Answer: Option A. -> potential
:
A
Potential energy is the energy possessed by a body due to it's position. For example, if a wheelbarrow is placed on top of a hill, then it possesses potential energy.
:
A
Potential energy is the energy possessed by a body due to it's position. For example, if a wheelbarrow is placed on top of a hill, then it possesses potential energy.
Answer: Option A. -> True
:
A
The energy possessed by an object by virtue of its motion is called kinetic energy.
:
A
The energy possessed by an object by virtue of its motion is called kinetic energy.
Answer: Option A. -> True
:
D
Greater the length of the effort arm and smaller the length of the load arm, lesser force will be required to lift the block. In the following lever, the length of the effort arm is greatest and the length of load arm is smallest, so least force will be required to lift the block in this case.
:
D
Greater the length of the effort arm and smaller the length of the load arm, lesser force will be required to lift the block. In the following lever, the length of the effort arm is greatest and the length of load arm is smallest, so least force will be required to lift the block in this case.
Answer: Option C. -> motion
:
C
Kinetic energy is the energy possessed by a body or an object because of it's motion.
Example: A ball rolling on the floor has kinetic energy because of its motion.
:
C
Kinetic energy is the energy possessed by a body or an object because of it's motion.
Example: A ball rolling on the floor has kinetic energy because of its motion.
Answer: Option A. -> True
:
A
Force can majorly be categorised into contact and non-contact forces. In a contact force, the object on which the force is applied and the object which is applying the force are in contact.
Frictional force and normal force are contact forces.
:
A
Force can majorly be categorised into contact and non-contact forces. In a contact force, the object on which the force is applied and the object which is applying the force are in contact.
Frictional force and normal force are contact forces.
Answer: Option A. -> True
:
A
A pulley is a simple machine. It changes the direction of the force applied. It is mostly used to reduce the amount effort required to pull an object.
:
A
A pulley is a simple machine. It changes the direction of the force applied. It is mostly used to reduce the amount effort required to pull an object.
Answer: Option C. -> North-South
:
C
A freely suspended magnet always points in the North-South direction. The earth is considered as a giant magnet. The north pole of the magnet points to the geographical south pole and vice-versa.
:
C
A freely suspended magnet always points in the North-South direction. The earth is considered as a giant magnet. The north pole of the magnet points to the geographical south pole and vice-versa.
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