8Class Force Full Lesson

A ball rolling on the ground slows down and finally stops. This is because of

• Force
• Less force applied
• Friction
• None of the above

A batsman hits the ball for a boundary past the bowler i.e. four runs. The batsman thus

• Changes the direction & speed of the ball
• Does not change the direction but speed only
• Does not change the speed but direction only
• Does not change either direction or speed

A book on a table is at rest. Then the magnitude of the which force is zero?

• Normal
• frictional
• gravitational
• none of these

A monkey hangs stationary at the end of the vertical vine. The forces acting on the monkey is/are

• gravitational and normal
• gravitational and friction
• gravitational and tension
• gravitational ,friction and tension

A person is pulling water from well. Which type of force he is using?

• Muscular force
• magnetic force
• Friction force
• Electrostatic force

A push or pull is called

• Friction
• pressure
• force
• none of these

A situation for effect of force leads to a permanent change in shape of object is

• Stretching a rubber band
• Squzeeing sponge
• Spring
• breaking glass

An apple is falling from a tree. The forces acting on it.

• drag
• gravitational force

• Drag and gravitational forces

• No Answer

An example of a non- contact force is

• Force exerted by us to lift a bucket
• Push a stationary car
• Force exerted by magnet
• Hit a cricket ball for a 6 run

Comb your dry hair, bring the comb near small pieces of paper. Force you observed is

• magnetic force
• electrostatic force
• gravitatinal force
• normal force